Observational Study
Copyright ©The Author(s) 2020.
World J Cardiol. Jun 26, 2020; 12(6): 262-268
Published online Jun 26, 2020. doi: 10.4330/wjc.v12.i6.262
Figure 2
Figure 2 Specialty of ordering physician. OB/GYN: Obstetrics and gynecology.