1. Debate on N2: is N2 an acceptable method of treatment?;Sargenti,1973
2. Endodontics;Sargenti,1973
3. Treatment of gangrenous teeth (addendum to Sargenti Endodontics);Sargenti,1975
4. Root canal treatment with N2;Ehrmann;Aust Dent,1963
5. Debate on N2: is N2 an acceptable method of treatment?;Langeland,1973