HAWKINS BARBARA S. 312,870 ANNUAL The Seventeenth Annual Meeting of The Society for Clinical Trials : [Hilton Hotel, Pittsburgh, Pennsylvania May 5-8, 1996]. - [Barbara S. Hawkins chair et al.]. - [New York] : Elsevier, 1996. - [4], 154 s. ; 26 cm (Controlled Clinical Trials, ISSN 0197-2456 ; vol. 17, nr 2, suppl.)