共 44 条
[1]
BEALL AC, 1964, JAMA-J AM MED ASSOC, V187, P507
[2]
BECK CS, 1933, J THORAC SURG, V2, P616
[5]
[7]
CARLSSON E, 1963, Acta Chir Scand, V125, P294
[9]
CLARKE BD, 1964, BRIT J SURG, V51, P608

