Ghosh, B N . A treatise on preventive & social medicine / B.N. Ghosh; edited by P.K. Mukherjee. - Calcutta : Scientific Publishers , 1987. - 402p. : ill. ; 22cm . Includes index ISBN: NULL (Hb) Subjects--Index Terms: SOCIAL MEDICINE Dewey Class. No.: 614.44 / GHO/P