000 00444nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a610.621
_bW927(172)
110 _aWorld Health Organization
245 _aOfficial Records of the World Health Organization No. 172
260 _aGeneva
_bWHO
_c1969
300 _axii, 255p.
500 _aWork of WHO 1968
650 _aWHO
942 _cBK
999 _c63362
_d63362