Fig. 2From: Evaluation of angiotensin converting enzyme 2 (ACE2), angiotensin II (Ang II), miR-141-3p, and miR-421 levels in SARS-CoV-2 patients: a case-control studyStandard curve of ELISA for sACE2 (A) and Ang II (B) quantitation. OD; optical densityBack to article page