TY - BOOK AU - Le Riche, W. Harding AU - Milner, Jean, TI - Epidemiology as medical ecology SN - 0700014810 U1 - 614.4 PY - 1971/// CY - Edinburgh PB - Churchill Livingstone KW - EpidemiologĂ­a. KW - EcologĂ­a Humana ER -