共 9 条
[1]
BERKELHAMMER G, 1961, Patent No. 3005004
[3]
DEWALD CL, 1962, Patent No. 1327963
[5]
FRIEDBERG, 1952, J CLIN INVEST, V31, P1074
[8]
ZIMMERMANN M, 1968, Patent No. 6800102
[9]
1961, Patent No. 7186