TY - BOOK AU - Graham, G.S. AU - Smith, M.D. TI - Journal of hygiene T2 - 44 U1 - 614 PY - 1945/// PB - Cambridge At The University Press KW - Health and Hygiene KW - Hygiene | Epidemiology--Cambridge University Press N1 - Hygiene; Public Health; Epidemiology; Preventive Medicine; Cambridge ER -