TY  - BOOK
AU  - BHATIA, BIHARI LAL.
AU  - SURI, PREM NATH.
AU  - SURI.
TI  - ELEMENTARY HYGIENE
U1  - 613 BHA 
PY  - 1964///
CY  - NEW DELHI
PB  - ORIENT LONGMAN
KW  - Personal health & safety
ER  -