RJ, S., & HJ, S. (1971). Periapical abscess with intranasal fistula. Oral surgery, oral medicine, and oral pathology, 32(6), 881. https://doi.org/10.1016/0030-4220(71)90173-3
Chicago Style (17th ed.) CitationRJ, Strader, and Seda HJ. "Periapical Abscess with Intranasal Fistula." Oral Surgery, Oral Medicine, and Oral Pathology 32, no. 6 (1971): 881. https://doi.org/10.1016/0030-4220(71)90173-3.
MLA (9th ed.) CitationRJ, Strader, and Seda HJ. "Periapical Abscess with Intranasal Fistula." Oral Surgery, Oral Medicine, and Oral Pathology, vol. 32, no. 6, 1971, p. 881, https://doi.org/10.1016/0030-4220(71)90173-3.
Warning: These citations may not always be 100% accurate.