Rolland, Y., Cesari, M., Morley, J. E., Merchant, R., & Vellas, B. (2021). COVID19 Vaccination in Frail People. Lots of Hope and Some Questions. J Nutr Health Aging.
استشهاد بنمط شيكاغوRolland, Y., M. Cesari, John E. Morley, R. Merchant, و B. Vellas. "COVID19 Vaccination in Frail People. Lots of Hope and Some Questions." J Nutr Health Aging 2021.
MLA استشهادRolland, Y., et al. "COVID19 Vaccination in Frail People. Lots of Hope and Some Questions." J Nutr Health Aging 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.