"id","author_first1","author_last1","title","year","publication","volume","issue","pages","author_first2","author_last2","author_first3","author_last3","keyword0","type" "1432","M.M.","Haggar","Primary health care: First steps in the Yemen Arab Republic","1986","World Health Forum","7","4","355-59","A.","al-Hamami","A.A.","Zabarah","Diseases","journal"