D P Southall, V A Stebbens, S V Rees, M H Lang, J O Warner, E A Shinebourne et al
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Apnoeic episodes induced by smothering: two cases identified by covert video surveillance.
Br Med J (Clin Res Ed) 1987; 294 :1637
doi:10.1136/bmj.294.6588.1637