Handbook of preventive and social medicine :
Ratan, Vidya.
Handbook of preventive and social medicine : community medicine / Vidya Ratan. - 9th ed. - New Delhi : Jaypee brothers, c1970. - xvi, 376 p. : ill. ; 18 cm.
Includes Index.
8171793800
Medicine.
615.1 / RAH
Handbook of preventive and social medicine : community medicine / Vidya Ratan. - 9th ed. - New Delhi : Jaypee brothers, c1970. - xvi, 376 p. : ill. ; 18 cm.
Includes Index.
8171793800
Medicine.
615.1 / RAH