"id","author_first1","author_last1","title","year","publication","volume","issue","pages","author_first2","author_last2","author_first3","author_last3","keyword0","keyword1","type" "1730","Godfrey J.A.","Walker","Evaluation of rational drug prescribing in Democratic Yemen","1990","Social Science and Medicine","31","7","823-28","Hans V.","Hogerzeil","Ali O.","Sallami","Medicine","Planning","journal"