Indrayan, A. Basic methods of medical research / A. Indrayan - New Delhi : AITBS Publishers, 2006 - 376 p. : ill. ; 24 cm. ISBN: 8174733353 RM31.08 9788174733351 Subjects--Topical Terms: Research designBiomedical Research--methods National Library of Medicine Call No.: W20.5 / .I38b 2006 9HUKM