APA (7th ed.) Citation

K, P., & RJ, C. (1997). Re: Yousfi et al. comparing the agar gel (CLOtest) to a reagent strip (PyloriTek) rapid urease test. The American journal of gastroenterology, 92(11), 2136.

Chicago Style (17th ed.) Citation

K, Price, and Carrico RJ. "Re: Yousfi Et Al. Comparing the Agar Gel (CLOtest) to a Reagent Strip (PyloriTek) Rapid Urease Test." The American Journal of Gastroenterology 92, no. 11 (1997): 2136.

MLA (9th ed.) Citation

K, Price, and Carrico RJ. "Re: Yousfi Et Al. Comparing the Agar Gel (CLOtest) to a Reagent Strip (PyloriTek) Rapid Urease Test." The American Journal of Gastroenterology, vol. 92, no. 11, 1997, p. 2136.