000
00251nam a2200109Ia 4500
008
220201s1973 xx 000 0 eng d
082
_b
HAN
245
0
_a
Handbook of health education
260
_a
London
_b
H.M.S.O
_c
1973
300
_a
190
942
_2
ddc
999
_c
19661
_d
19661