TY - BOOK AU - Committee on Communicable Diseases Affecting Man AU - International Association of Milk, Food, and Environmental Sanitarians TI - Procedures to investigate waterborne illness AV - RA 642.W3 C65 PY - 1979/// CY - Ames, Iowa PB - International Association of Milk, Food, and Environmental Sanitarians KW - Enfermedades transmisibles KW - Investigación ER -