The Gaskin maneuver article.
Gaskin
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D036861:Delivery, Obstetric / Q000451:nursing*; D004059:Diffusion of Innovation; D004850:Eponyms; D005260:Female; D006801:Humans; D009721:Nurse Midwives; D007744:Obstetric Labor Complications / Q000451:nursing*; D011187:Posture; D011247:Pregnancy; D012782:Shoulder