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7Eleazer PD,Eleazer KR. Flareup rate in pulpal lynecrotic molors in one visit versus two visit endodontic treatment[J].J En dodon,1998,(09):614-616.
8Albashaireh ZS,Lnegrish AS. Postobturation pain after single and multiple visit endodontic therpy A prospective study[J].{H}Journal of Dentistry,1998,(03):227-232.
