Biomedical research : collaboration and conflict of interest / edited by Roger J. Porter and Thomas E. Malone ; Christopher C. Vaughan, associate editor. - Baltimore : John Hopkins University Press, c1992. - xiv, 230 p. : ill. ; 24 cm. ISBN: 0801844002 (alk. paper) LCCN: 91035381 LC Class. No.: R854.U5 / B525 1992 Dewey Class. No.: 610/.72073