000
00310nam a2200121Ia 4500
100
_a
World health organization
020
_a
92-4-156067-3
942
_c
BK
245
_a
Contemporary patterns of breast-feedings
260
_a
World Health Organization, Geneva
_c
1981
082
_a
649.3 WHO
300
_a
viii,211
999
_c
12273
_d
12273