UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington,
D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 8)
Sontra Medical Corp.
(Name of Issuer)
Common
(Title of Class of Securities)
17039H101
(CUSIP Number)
September 30, 2002
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:
X Rule 13d-1(b)
/_/ Rule 13d-1(c)
/_/ Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section
18 of the Securities Exchange Act of 1934 ("Act") or
otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act
(however, see the Notes).
Potential persons who are to respond to the collection of
information contained in this form are not required to
respond unless the form displays a currently valid OMB
control number.
CUSIP No. 17039H101
Page 2 of 7
1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities
only).
Perkins Capital Management, Inc.
41-1501962
2. Check the Appropriate Box if a Member of a Group
(See Instructions)
a. / /
b. / /
3. SEC Use Only
4. Citizenship or Place of Organization
730 East Lake Street, Wayzata, Minnesota 55391-1769
Number of 5. Sole Voting Power
Shares Bene- 0
ficially owned 6. Shared Voting Power
by Each 0
Reporting 7. Sole Dispositive Power
292,936
Person With: 8. Shared Dispositive Power
0
9. Aggregate Amount Beneficially Owned by Each Reporting
Person
292,936
10. Check if the Aggregate Amount in Row(9) Excludes
Certain Shares (See Instructions)
11. Percent of Class Represented by Amount in Row (9)
3.2%
12. Type of Reporting Person (See Instructions)
IA
SEE INSTRUCTIONS FOR SCHEDULE 13G
Item 1
(a) Name of Issuer:
Sontra Medical Corp. (formerly Choicetel Communications)
(b) Address of Issuer's Principal Executive Offices:
58 Charles Street, Cambridge, MA 02141
Item 2.
(a) Name of Person Filing
Perkins Capital Management, Inc.
(b) Address of Principal Business Office or, if none,
Residence
730 East Lake Street, Wayzata, Minnesota 55391
(c) Citizenship
A Minnesota Corporation
(d) Title of Class of Securities
Common
(e) CUSIP Number
17039H101
Item 3. If this statement is filed pursuant to ss240.13d1(b)
or 240.13d-2(b) or (c), check whether the person filing is
a:
(a) /_/ Broker or dealer registered under section 15 of the
Act (15 U.S.C. 78o).
(b) /_/ Bank as defined in section 3(s)(6) of the Act (15
U.S.C. 78c).
(c) /_/ Insurance Company as defined in section 3(a)(19) of
the Act (15 U.S.C. 78c).
(d) /_/ Investment company registered under section 8 of
the Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e) /X/ An investment adviser in accordance with s240.13d-
1(b)(1)(ii)(E);
(f) /_/ An employee benefit plan or endowment fund in
accordance with s240.13d-1(b)(1)(ii)(F);
(g) /_/ A parent holding company or control person in
accordance with s240.13d-1(b)(ii)(G);
(h) /_/ A savings associations as defined in Section 3(b)
of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) /_/ A church plan that is excluded from the definition
of an investment company under section 3c(14) of the
Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j) /_/ Group, in accordance with s240.13d-1(b)(1)(ii)(J).
Item 4. Ownership
Provide the following information regarding the aggregate
number and percentage of the class of securities of the
issuer identified in Item 1.
a. Amount Beneficially Owned:
292,936 warrants exercisable within 60 days
b. Percent of Class:
3.2%
c. Number of shares as to which such person has:
i. Sole power to vote or to direct the vote:
0
ii. Shared power to vote or to direct the vote:
0
iii. Sole power to dispose or to direct the disposition
of:
292,936 warrants exercisable within 60 days
iv. Shared power to dispose or to direct the
disposition of:
0
Instruction: For computations regarding securities which
represent a right to acquire an underlying security see
s240.13d(1).
Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as
of the date hereof the reporting person has ceased to be the
beneficial owner of more than five percent of the class of
securities, check the following /X/.
Perkins Capital Management, Inc. holds only 3.2% of the
outstanding shares.
Item 6. Ownership of More than Five Percent on Behalf of
Another Person.
If any other person is known to have the right to receive or
the power to direct the receipt of dividends from, or the
proceeds from the sale of, such securities, a statement to
that effect should be included in response to this item and,
if such interest relates to more than five percent of the
class, such person should be identified. A listing of the
shareholders of an investment company registered under the
Investment Company Act of 1940 or the beneficiaries of
employee benefit plan, pension fund or endowment fund is not
required.
Item 7. Identification and Classification of the
Subsidiary Which Acquired the Security Being Reported on By
the Parent Holding Company. If a parent holding company has
filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so
indicate under Item 3(g) and attach an exhibit stating the
identity and the Item 3 classification of the relevant
subsidiary. If a parent holding company has filed this
schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach
an exhibit stating the identification of the relevant
subsidiary.
Item 8. Identification and Classification of Members of the
Group
If a group has filed this schedule pursuant to s240.13d-
1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an
exhibit stating the identity and Item 3 classification of
each member of the group. If a group has filed this schedule
pursuant to s240.13d-1(c) or s240.13d(d), attach an exhibit
stating the identity of each member of the group.
Item 9. Notice of Dissolution of Group
Notice of dissolution of a group may be furnished as an
exhibit stating the date of the dissolution and that all
further filings with respect to transactions in the security
reported on will be filed, if required, by members of the
group, in their individual capacity. See Item 5.
Item 10. Certification
a. The following certification shall be included if the
statement is filed pursuant to s240.13d-1(b):
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above
were acquired and are held in the ordinary course of
business and were not acquired and are not held for the
purpose of or with the effect of changing or
influencing the control of the issuer of the securities
and were not acquired and are not held in connection
with or as a participant in any transaction having that
purpose or effect.
b. The following certification shall be included if the
statement is filed pursuant to s240.13d-1(c):
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above
were not acquired and are not held for the purpose of
or with the effect of changing or influencing the
control of the issuer of the securities and were not
acquired and are not held in connection with or as a
participant in any transaction having that purpose or
effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this
statement is true, complete and correct.
October 10, 2002
Date
/S/ Richard C. Perkins Signature
Richard C. Perkins, VP/Portfolio Manager
Name/Title
The original statement shall be signed by each person on
whose behalf the statement is filed or his authorized
representative. If the statement is signed on behalf of a
person by his authorized representative other than and
executive officer or general partner of the filing person,
evidence of the representative's authority to sign on behalf
of such person shall be filed with the statement, provided,
however, that power of attorney for this purpose which is
already on file with the Commission may be incorporated by
reference. The name and any title of each person who signs
the statement shall be typed or printed beneath his
signature. NOTE: Schedules filed in paper format shall
include a signed original and five copies of the schedule,
including all exhibits. See s240.13d-7 for other parties for
whom copies are to be sent. Attention: Intentional
misstatements or omissions of fact constitute Federal
criminal violations (See 18 U.S.C. 1001)