0000950133-02-001111 SC 13G/A 1 20020322 JOHN P. MCNIFF ROBERT A. DAVIDSON CLINTRIALS RESEARCH INC 0000870978 8734 621406017 DE 1231 SC 13G/A 34 005-45904 02582488 11000 WESTON PARKWAY CARY NC 27513 9194622556 11000 WESTON PARKWAY CARY NC 27513 CLINTRIALS INC 19930930 LONGWOOD INVESTMENT ADVISORS INC/PA 0001034383 232745059 PA 1231 SC 13G/A THREE RADNOR CORPORATE CENTER RADNOR PA 19087 6109959559 THREE RADNOR CORPORATE CENTER SUITE 300 RADNOR PA 19087 SC 13G/A 1 w58754csc13ga.htm AMENDMENT NO. 2 TO SCHEDULE 13G