Fig. 1

Study timeline. EE, ethinylestradiol; V, vehicle; CS, chronic cigarette smoking; WT, wild type; SQ, subcutaneous; TPM, total particulate matter; Cig, cigarette; Echo, echocardiography
Study timeline. EE, ethinylestradiol; V, vehicle; CS, chronic cigarette smoking; WT, wild type; SQ, subcutaneous; TPM, total particulate matter; Cig, cigarette; Echo, echocardiography