[Analysis of complications in the treatment of chronic apical periodontitis].
D002908:Chronic Disease; D003751:Dental Fistula / Q000209:etiology*; D006801:Humans; D010482:Periapical Abscess / Q000150:complications*; D012390:Root Canal Therapy / Q000009:adverse effects
Analiz oslozhneniĭ pri lechenii khronicheskogo verkhushechnogo periodontita.