Letter to the Editor: Maintaining certainty Published on 2021-03-012023-07-05 Journal: Birth [키워드] COVID medical student obstetrics [저자] Fatima Yaqub, Ciara Nuttall [Category] SARS, Pubmed URL [DOI] 10.1111/birt.12507 [Source] pubmed All Keywords 【저자키워드】 medical student, COVID, obstetrics,