Aspiration and nasogastric intubation.

MLA

Alessi, D. M., and G. Berci. “Aspiration and Nasogastric Intubation.” Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery, vol. 94, no. 4, Apr. 1986, pp. 486–89. EBSCOhost, https://doi.org/10.1177/019459988609400414.

APA

Alessi, D. M., & Berci, G. (1986). Aspiration and nasogastric intubation. Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery, 94(4), 486–489. https://doi.org/10.1177/019459988609400414

Chicago

Alessi, D M, and G Berci. 1986. “Aspiration and Nasogastric Intubation.” Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery 94 (4): 486–89. doi:10.1177/019459988609400414.