000 00529pam a2200193 a 4500
020 _c
040 _aMedical College Libr
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245 _aThe Use of Essential Drugs W. H. O. Techinical Report Series - 850 /
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300 _a120 ;
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365 _a380.00
653 _aPreventive and Social Medicine
_aMedical Science
930 _a1021
999 _c1020
_d1020