Association between Inhaled Long-Acting beta-2-Agonists and the Risk of Acute Myocardial Infarction: A Methodological Comparison of Two Databases

作者:Afonso Ana S M; Schmiedl Sven; Becker Claudia; Primatesta Paola; Plana Estel; Souverin Patrick C; Korevaar Joke C; Hasford Joerg; Reynolds Robert; de Groot Mark C H; Schlienger Raymond G; Klungel Olaf H; Rottenkolber Marietta