title: Physiological valvular regurgitation. Doppler echocardiography and the potential for iatrogenic heart disease.
authors.forename: D J
authors.initials: DJ
authors.lastname: Sahn
authors.forename: B C
authors.initials: BC
authors.lastname: Maciel
mesh_terms: D015150:Echocardiography, Doppler; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006351:Heart Valves / Q000502:physiology*; D006801:Humans; D007049:Iatrogenic Disease