1. Hemisection and root amputation;Amen;Periodontics,1966
2. Common failures in endodontics and their correction;Cattoni;Dent. Clin. North America,1963
3. Simplified techniques in surgical periapical treatment;James;Dent. Clin. North America,1963
4. Endodontics;Ingle,1965
5. Endodontic surgery: criteria, indications and procedures;Marshall;J. Canad. D. A.,1964