No abstract available
Publication types
-
Research Support, Non-U.S. Gov't
-
Research Support, U.S. Gov't, Non-P.H.S.
-
Research Support, U.S. Gov't, P.H.S.
MeSH terms
-
Adolescent
-
Adult
-
Echocardiography / methods*
-
Female
-
Heart Septal Defects, Atrial / diagnosis
-
Heart Septal Defects, Atrial / epidemiology*
-
Humans
-
Male
-
Valsalva Maneuver*