TY - BOOK AU - Gupta,MC et al AU - BK Mahajan. TI - Textbook of preventive and social medicine SN - 8180610705 AV - RA425.G8 1991 PY - 1991/// CY - New Delhi PB - Jaypee Brothers KW - Medicine, Preventive KW - Social medicine N1 - Includes bibliographies ER -