Preventive medicine,
Boyd, Mark F. 1889-1968.
Preventive medicine, by Mark F. Boyd. - 7th ed., rev. - Philadelphia, London, W.B. Saunders, c1945. - x, 591 p. illus. (part col.), maps, forms, 24 cm.
Includes index.
Bibliography: p. 560-566.
sg 45000196
Hygiene.
Medicine, Preventive.
RA425 / .B73 1945
Preventive medicine, by Mark F. Boyd. - 7th ed., rev. - Philadelphia, London, W.B. Saunders, c1945. - x, 591 p. illus. (part col.), maps, forms, 24 cm.
Includes index.
Bibliography: p. 560-566.
sg 45000196
Hygiene.
Medicine, Preventive.
RA425 / .B73 1945