DE, B., MP, C., & KE, P. (1982). The use of a Doppler ultrasound probe for localising arterial blood flow during upper gastrointestinal endoscopy. Endoscopy, 14(4), 146. https://doi.org/10.1055/s-2007-1021604
Chicago Style (17th ed.) CitationDE, Beckly, Casebow MP, and Pettengell KE. "The Use of a Doppler Ultrasound Probe for Localising Arterial Blood Flow During Upper Gastrointestinal Endoscopy." Endoscopy 14, no. 4 (1982): 146. https://doi.org/10.1055/s-2007-1021604.
MLA (9th ed.) CitationDE, Beckly, et al. "The Use of a Doppler Ultrasound Probe for Localising Arterial Blood Flow During Upper Gastrointestinal Endoscopy." Endoscopy, vol. 14, no. 4, 1982, p. 146, https://doi.org/10.1055/s-2007-1021604.
Warning: These citations may not always be 100% accurate.