Microbiological analysis of endodontically treated teeth with apical periodontitis before and after endodontic retreatment - Ribeiro, Marlos Barbosa; Vasconcelos, Rodrigo Arruda; Louzada, Lidiane M; Santos, Danielle Gonçalves dos; Andreote, Fernando Dini; Gomes, Brenda P. F. A (Clinical Oral Investigations, 2020)