共 50 条
- [7] CORRELATION BETWEEN LENGTH OF P-R INTERVAL AND POSITION OF ELECTRICAL AXIS OF P WAVE CARDIOLOGIA, 1965, 47 (04): : 239 - &
- [8] SURFACE RECORDING TECHNIQUE FOR DETECTING ELECTRICAL-ACTIVITY DURING P-R SEGMENT AMERICAN JOURNAL OF CARDIOLOGY, 1973, 31 (01): : 120 - 120
- [9] P WAVE DURATION AND P-R INTERVAL DURING FIRST WEEK OF LIFE BRITISH HEART JOURNAL, 1963, 25 (01): : 42 - &
- [10] HOW LONG CAN THE P-R INTERVAL BE AMERICAN JOURNAL OF NONINVASIVE CARDIOLOGY, 1994, 8 (01): : 11 - 13