Research Paper Volume 15, Issue 19 pp 10117—10132
Causal association between placental growth factor and coronary heart disease: a Mendelian randomization study
Figure 3. Flowchart of the study design overview. Abbreviations: PlGF: placental growth factor; CHD: coronary artery disease; AP: angina pectoris; UAP: unstable angina pectoris; MI: myocardial infarction; IVW: inverse variance weighted; MR: Mendelian randomization.