ST, P., LS, B., & JH, M. (1984). Expiratory valve dysfunction in a semiclosed circle anesthesia circuit--verification by analysis of carbon dioxide waveform. Anesthesia and analgesia, 63(5), 536.
Chicago Style (17th ed.) CitationST, Pyles, Berman LS, and Modell JH. "Expiratory Valve Dysfunction in a Semiclosed Circle Anesthesia Circuit--verification by Analysis of Carbon Dioxide Waveform." Anesthesia and Analgesia 63, no. 5 (1984): 536.
MLA (9th ed.) CitationST, Pyles, et al. "Expiratory Valve Dysfunction in a Semiclosed Circle Anesthesia Circuit--verification by Analysis of Carbon Dioxide Waveform." Anesthesia and Analgesia, vol. 63, no. 5, 1984, p. 536.
Warning: These citations may not always be 100% accurate.