00484nas a2200193   4500000000100000008004100001260001300042653001400055653001400069653002300083653001200106653001100118653002000129100001700149245009300166300001000259490000700269022001400276       1953                            d  c1953 Aug10aIsomerism10aIsoniazid10aIsonicotinic Acids10aleprosy10aNiacin10aNicotinic Acids1 aCOSTELLO M J00aLeprosy (lepromatous type) improved by isoniazid (hydrazid; isonicotinic acid hydrazid).  a225-60 v68  a0096-5979