Comparative effectiveness of generic nifedipine versus Adalat long‐acting nifedipine for hypertension treatment: A multi‐institutional cohort study oleh Ying‐Chang Tung, Chia‐Pin Lin, Fu‐Chih Hsiao, Chien‐Te Ho, Hsu Tzyy‐Jer, You‐Chia Chu, Wen‐Jone Chen, Pao‐Hsien Chu