共 21 条
- [11] KENNY J, 1972, Patent No. 3688776
- [14] PRESTON TA, 1975, Patent No. 3921642
- [15] SIDDONS H, 1967, CARDIAC PACEMAKERS, P92
- [16] SIDDONS H, 1967, CARDIAC PACEMAKERS, P93
- [17] SPURRELL RA, 1977, CARDIAC PACING, P187
- [18] THALER SS, 1974, Patent No. 3794045
- [20] WALL J, 1974, Patent No. 3807410