00417nam a22001337a 4500008004100000020001400041050002200055082002100077100001900098245006900117260003600186300001500222650004600237210310b           ||||| |||| 00| 0 eng d  a817179971  aRA 421b.P73 2002  aRA 421 .P73 2002  aPrabhakara, Gn  aShort Textbook of Preventive and Social MedicinecPrabhakara, Gn  aNew DelhibJayee Brothersc2002  aviii-280p.  2Health SciencexSchool of Health Sciences