Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleExposure efficacy and change in contact rates in evaluating prophylactic HIV vaccines in the field.AuthorsHalloran, M. Elizabeth; Longini, Ira M.; Haber, Michael J.; Struchiner, Claudio J.; Brunet, Robert C.; Halloran, M E; Longini, I M Jr; Haber, M J; Struchiner, C J; Brunet, R CPublicationStatistics in Medicine, 1994, Vol 13, Issue 4, p357ISSN0277-6715Publication typejournal articleDOI10.1002/sim.4780130404