Airflow and pressure characteristics of three different tracheostoma valves.

MLA

Grolman, W., et al. “Airflow and Pressure Characteristics of Three Different Tracheostoma Valves.” The Annals of Otology, Rhinology, and Laryngology, vol. 107, no. 4, Apr. 1998, pp. 312–18. EBSCOhost, https://doi.org/10.1177/000348949810700409.

APA

Grolman, W., Grolman, E., Van Steenwijk, R. P., & Schouwenburg, P. F. (1998). Airflow and pressure characteristics of three different tracheostoma valves. The Annals of Otology, Rhinology, and Laryngology, 107(4), 312–318. https://doi.org/10.1177/000348949810700409

Chicago

Grolman, W, E Grolman, R P Van Steenwijk, and P F Schouwenburg. 1998. “Airflow and Pressure Characteristics of Three Different Tracheostoma Valves.” The Annals of Otology, Rhinology, and Laryngology 107 (4): 312–18. doi:10.1177/000348949810700409.