Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1550-8307(20)30109-9
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=32253082.ui
subscription/membership/fee required ClinicalKey Nursing https://www.clinicalkey.com/nursing/content/playBy/pii?v=S1550-8307(20)30109-9