00625cam 2200205 450 1890348http://id.bnportugal.gov.pt/bib/porbase/189034820030602220200.00-316-35636-0BrochadoCompra02570PTBN0091625819970305d1987 m y0pory0103 baengUSEpidemiology in medicineCharles H. Hennekens... [et al.]BostonBrowm and Company1987XV, 383 p.il.24 cm616-036.22357795HennekensCharles H.703041PTBNRPCWA 950 H38 EPI 87coopINSAmq1115945bccoopINSALVIROL./GT SIDA 131340INS1-89