000 00417nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a610.621
_bW927(131)
110 _aWorld Health Organization
245 _aOfficial Records of the World Health Organization No. 131
260 _aGeneva
_bWHO
_c1964
500 _aWork of WHO 1963
650 _aWHO
942 _cBK
999 _c54003
_d54003