001: 27539
003: Starlibrary PMS 4.5
005: 20180430
020: ^a81-8061-070-5
066: ^aBK.t
072: ^aEpidemiological triad
082: ^a610.28
100: ^aBK MAHAJAN
240: ^atextbook of preventive and social medicine
245: ^atextbook of preventive and social medicine
260: ^c2005
650: ^ahealth statistics
650: ^asocial medicine
700: ^a MC GUPTA