CANCELLATION OF UCT OPTION AGREEMENT
The undersigned, NDA Cinical Trial Services, Inc. ("NDA") and shareholders
representing a majority of the outstanding shares of capital stock of NDA,
hereby agree, for good and valuable consideration, the receipt of which is
hereby acknowledged, that the certain Option Agreement among NDA and its
shareholders, Unilabs Cinical Trials, Ltd. and UniHolding Corp. dated September
27, 1995 is hereby cancelled, null and void as of the date hereof.
Dated: August 26, 1996
NDA CLINICAL TRIAL SERVICES, INC.
By: /s/ Xxxxxx Xxxxxxxxxxx
Name: Xxxxxx Xxxxxxxxxxx
POLY VENTURES II
By: /s/ Xxxxxx Xxxxx
Name: Xxxxxx Xxxxx
LONG ISLAND VENTURE FUND
By: /s/ Xxxx Xxxxxx
Name: Xxxx Xxxxxx
By: /s/ Xxxxx Xxxxxxx
Name: Xxxxx Xxxxxxx
By: /s/ Xxxxxx Xxxxxxxxxxx
Name: Xxxxxx Xxxxxxxxxxx