000 00285nam a2200121Ia 4500
008 220201s1993 xx 000 0 eng d
082 _bSHA
100 _aSharma, R C
245 0 _aBulletin of the world health
260 _aNew Delhi
_bGencoe WHO
_c1993
300 _a830
942 _2ddc
999 _c28694
_d28694