title: Device for measurement of fetal breathing movements--II. Accuracy of in vitro measurements, filtering of output signals, and clinical application.
mesh_terms: D002138:Calibration; D005189:False Positive Reactions; D005260:Female; D005323:Fetal Monitoring / Q000295:instrumentation*; D006801:Humans; D066298:In Vitro Techniques; D009068:Movement; D011247:Pregnancy; D012119:Respiration; D014465:Ultrasonics / Q000295:instrumentation*