(Q69122842)
Statements
Age-related valvular regurgitation: a study by pulsed Doppler echocardiography (English)
T Akasaka
J Yoshikawa
K Yoshida
F Okumachi
K Koizumi
K Shiratori
S Takao
M Shakudo
1 August 1987
scientific article published on 01 August 1987