000
00309nam a2200121Ia 4500
008
210804s1969||||xx |||||||||||||| ||und||
041
_a
eng
082
_a
614
100
_a
Santi Lal Roy
245
0
_a
Hand book of preventive and social medicine
260
_a
Calcatta
_b
Academic publishers
_c
1969
942
_c
BK
999
_c
13172
_d
13172