Rebreathing from sheepskin.
Bolton
D
D
D000818:Animals; D001512:Bedding and Linens / Q000009:adverse effects*; D006801:Humans; D007231:Infant, Newborn / Q000502:physiology*; D008925:Mites; D009520:New Zealand; D011187:Posture; D012119:Respiration; D012890:Sleep; D013398:Sudden Infant Death / Q000209:etiology