-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CVdmfk8syOmoPchcB+3SVDpD7gucdOrFp9JWHmtBO46VC1VOq5wlvF6kCco4XI0F
 esTvhL8ed1zHMgT0CqrMtg==

<SEC-DOCUMENT>0000950133-01-500892.txt : 20010504
<SEC-HEADER>0000950133-01-500892.hdr.sgml : 20010504
ACCESSION NUMBER:		0000950133-01-500892
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20010503
GROUP MEMBERS:		JOHN P. MCNIFF
GROUP MEMBERS:		LONGWOOD INVESTMENT ADVISORS INC/PA
GROUP MEMBERS:		ROBERT A. DAVIDSON

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLINTRIALS RESEARCH INC
		CENTRAL INDEX KEY:			0000870978
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-TESTING LABORATORIES [8734]
		IRS NUMBER:				621406017
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		
		SEC FILE NUMBER:	005-48381
		FILM NUMBER:		1621459

	BUSINESS ADDRESS:	
		STREET 1:		11000 WESTON PARKWAY
		CITY:			CARY
		STATE:			NC
		ZIP:			27513
		BUSINESS PHONE:		9194622556

	MAIL ADDRESS:	
		STREET 1:		11000 WESTON PARKWAY
		CITY:			CARY
		STATE:			NC
		ZIP:			27513

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLINTRIALS INC
		DATE OF NAME CHANGE:	19930930

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LONGWOOD INVESTMENT ADVISORS INC/PA
		CENTRAL INDEX KEY:			0001034383
		STANDARD INDUSTRIAL CLASSIFICATION:	 []
		IRS NUMBER:				232745059
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		THREE RADNOR CORPORATE CENTER
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		6109959559

	MAIL ADDRESS:	
		STREET 1:		THREE RADNOR CORPORATE CENTER SUITE 300
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>w48611bsc13ga.txt
<DESCRIPTION>SCHEDULE 13G AMENDMENT
</DOCUMENT>
</SUBMISSION>