Intraradicular bacteria and fungi in root-filled, asymptomatic human teeth with therapy-resistant periapical lesions: A long-term light and electron microscopic follow-up studyPrashant Nair, Göran Sundqvist, U. Sjögren et al.|Journal of Endodontics|1990Cited by 758
Therapy-resistant foreign body giant cell granuloma at the periapex of a root-filled human toothPrashant Nair, Göran Sundqvist, U. Sjögren et al.|Journal of Endodontics|1990Cited by 191