Madison, S.; Wilcox, L. R. (1988). „An evaluation of coronal microleakage in endodontically treated teeth. Part III. In Vivo Study.”. J Endod. 14 (9): 455—8. PMID3273315. doi:10.1016/S0099-2399(88)80135-3.
Sundqvist G, Figdor D, Persson S, Sjögren U (1998). „Microbiologic analysis of teeth with failed endodontic treatment and the outcome of conservative re-treatment”. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 85: 86—93. PMID9474621. doi:10.1016/S1079-2104(98)90404-8.CS1 одржавање: Вишеструка имена: списак аутора (веза).
Maniglia-Ferreira C, Silva JBA, de Paula RCM, Feitosa JPA, Zaia AA, Ferraz CCR; et al. (2007). „Degradation of trans-polyisoprene over time following the analysis of root fillings removed during conventional retreatment”. Int Endod J. 40: 25—30. PMID17209829. doi:10.1111/j.1365-2591.2006.01172.x.CS1 одржавање: Вишеструка имена: списак аутора (веза).
Goldberg, F.; Grufinkel, J.; Spielberg, C. (1979). „Microscopic study of standardized gutta-percha points”. Oral Surg. Oral Med. Oral Pathol. 32 (3): 275—276. PMID283357. doi:10.1016/0030-4220(79)90153-1..
Merdad K, Pascon A, Kulkarni G, Santerre P, Friedman S (2007). „Short-term cytotoxicity assessment of components of the epiphany resin-percha obturating system by indirect and direct contact Millipore filter assays”. J Endod. 33 (1): 24—27. PMID17185123. doi:10.1016/j.joen.2006.10.003.CS1 одржавање: Вишеструка имена: списак аутора (веза).
Madison, S.; Wilcox, L. R. (1988). „An evaluation of coronal microleakage in endodontically treated teeth. Part III. In Vivo Study.”. J Endod. 14 (9): 455—8. PMID3273315. doi:10.1016/S0099-2399(88)80135-3.
Sundqvist G, Figdor D, Persson S, Sjögren U (1998). „Microbiologic analysis of teeth with failed endodontic treatment and the outcome of conservative re-treatment”. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 85: 86—93. PMID9474621. doi:10.1016/S1079-2104(98)90404-8.CS1 одржавање: Вишеструка имена: списак аутора (веза).
Maniglia-Ferreira C, Silva JBA, de Paula RCM, Feitosa JPA, Zaia AA, Ferraz CCR; et al. (2007). „Degradation of trans-polyisoprene over time following the analysis of root fillings removed during conventional retreatment”. Int Endod J. 40: 25—30. PMID17209829. doi:10.1111/j.1365-2591.2006.01172.x.CS1 одржавање: Вишеструка имена: списак аутора (веза).
Goldberg, F.; Grufinkel, J.; Spielberg, C. (1979). „Microscopic study of standardized gutta-percha points”. Oral Surg. Oral Med. Oral Pathol. 32 (3): 275—276. PMID283357. doi:10.1016/0030-4220(79)90153-1..
Merdad K, Pascon A, Kulkarni G, Santerre P, Friedman S (2007). „Short-term cytotoxicity assessment of components of the epiphany resin-percha obturating system by indirect and direct contact Millipore filter assays”. J Endod. 33 (1): 24—27. PMID17185123. doi:10.1016/j.joen.2006.10.003.CS1 одржавање: Вишеструка имена: списак аутора (веза).