Tadalafil for veterans with chronic obstructive pulmonary disease—pulmonary hypertension: A multicenter, placebo-controlled randomized trial

by Choudhary, G., Dempsey, E.C, Garshick, E., Goldstein, R.H, Goldstein, R.L, Hattler, B., Jankowich, M., LaCerda, K.A, Maron, B.A, Rounds, S.I, Sadikot, R.T, Shapiro, S., Tucker, T.J.S
Published 2022