The body surface sinus node electrogram (SNEb) was recorded in 116 young healthy students by using programme double time constant amplifier.
采用程控双时值放大器非叠加实时检测法，检测116例健康大学生的体表窦房结电图。
The body surface sinus node electrogram (SNEb) was recorded in 116 young healthy students by using programme double time constant amplifier.
采用程控双时值放大器非叠加实时检测法，检测116例健康大学生的体表窦房结电图。
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