TY - JOUR AN - 20 AU - Stoddard,M.F. AU - Keedy,D.L. AU - Dawkins,P.R. TI - The cough test is superior to the Valsalva maneuver in the delineation of right-to-left shunting through a patent foramen ovale during contrast transesophageal echocardiography. JO - Am Heart J PY - 1993 VL - 125 SP - 185-189 M2 - 185 DO - 10.1016/0002-8703(93)90073-I ER -