Vol. 1 • n. 2 • nov. 1994 – feb. 1995

ANALYSIS Travel naturalists Miriam L. Moreira Leite abstract  From miasmata to germs: The impact of bacteriology on medical practice in Canadian territory from 1870 to 1930 Denis Goulet abstract Chagas, the logic and the discovery François Delaporte abstract The third border of health: the ‘natural’ ethics Fermin Rland Schramm abstract  A plan on chaos (a reflection on event) Ana Lúcia M. de Oliveira abstract THESES text in portuguese LIBRARIES & COLLECTIONS Alternative sources for a history of sciences Flavio Edler abstract DEBATE Third-generation biotechnologies Antônio P. de Carvalho, Daniel Goldstein, Isaías Raw, Glaci T. Zancan text in portuguese ARCHIVES & DOCUMENTS  Arquivo Rockefeller Lina Rodrigues de Farias text in portuguese INTERVIEW Tuberculosis patients and their itineraries Ângela Pôrto e Dilene R. do Nascimento text in portuguese BOOKS, ARTICLES & NETS  Iniciativa de la Organización Panamericana de la Salud en historia de salud pública Anne-Emmanulle Birn text in spanish