共 36 条
[13]
HARBOLD NB, 1973, MAYO CLIN PROC, V48, P284
[15]
HORGAN J H, 1976, Journal of Clinical Ultrasound, V4, P287, DOI 10.1002/jcu.1870040411
[17]
Kerber R E, 1974, Am J Cardiol, V34, P838, DOI 10.1016/0002-9149(74)90705-X