Roy, Rabindra Nath Indranil Saha Mc Gupta BK Mahajan creator text New Delhi Jaypee Brothers 2013 monographic xvii, 703 p. : ill. ; 28 cm. Includes index. Medicine Social medicine Preventive health services General epidemiology Physical environment Air Water Housing Biological environment Social environment Health and law Food Nutrition IIMC 613 GUP 9789350901878 (pbk)