Hu, X., & Dill, M. J. (2021). Changes in Physician Work Hours and Patterns During the COVID-19 Pandemic. JAMA Netw Open.
استشهاد بنمط شيكاغوHu, Xiaochu, و Michael J. Dill. "Changes in Physician Work Hours and Patterns During the COVID-19 Pandemic." JAMA Netw Open 2021.
MLA استشهادHu, Xiaochu, و Michael J. Dill. "Changes in Physician Work Hours and Patterns During the COVID-19 Pandemic." JAMA Netw Open 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.