1. Bacteriological studies of necrotic dental pulps;Sundqvist;Ume University Odontological Dissertations No. 7,1976
2. Endodontic medicaments;Spngberg,1982
3. The correlation between positive culture and the prognosis of root canal therapy after pulpectomy;Engström;Odontol Revy,1965
4. Bacteriologic evaluation of the efficacy of mechanical root canal instrumentation in endodontic therapy;Byström;Scand J Dent Res,1981
5. Bacteriologic evaluation of the effect of 0.5 percent sodium hypochlorite in endodontic therapy;Byström;Oral Surg,1983