Don't try this at home?
Coombes
Rebecca
R
BMJ, London.
D000328:Adult; D015148:Cardiotocography / Q000295:instrumentation / Q000592:standards*; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006701:Home Nursing / Q000592:standards*; D006801:Humans; D011247:Pregnancy