00287nam a2200109Ia 450000500170000000800410001708200170005810000190007524500470009426000260014130000100016720260205044706.0260111s9999||||xx |||||||||||||| ||und||  a614.44  B36H  aBedi, Yash Pal 0aHandbook of social and preventive medicine  aDelhibAtma Ramc1979  a563p.