APA (7th ed.) Citation

Liu, T., Han, L., Tilley, M., Afzelius, L., Maciejewski, M., Jelinsky, S., . . . Litterman, N. K. (2021). Distinct clinical phenotypes for Crohn's disease derived from patient surveys. BMC Gastroenterology, 21(1), 1. https://doi.org/10.1186/s12876-021-01740-6

Chicago Style (17th ed.) Citation

Liu, Tianyun, et al. "Distinct Clinical Phenotypes for Crohn's Disease Derived from Patient Surveys." BMC Gastroenterology 21, no. 1 (2021): 1. https://doi.org/10.1186/s12876-021-01740-6.

MLA (9th ed.) Citation

Liu, Tianyun, et al. "Distinct Clinical Phenotypes for Crohn's Disease Derived from Patient Surveys." BMC Gastroenterology, vol. 21, no. 1, 2021, p. 1, https://doi.org/10.1186/s12876-021-01740-6.