略語大辞典 [Med] 20 APN alternating positive-negative (ventilation) 交互正負圧換気.alternating positive-negative (ventilation); or APB(alternating pressure breathing); or APNPB(alternating positive-negative pressure breathing ventilation); or PNPB(positive-negative pressure breathing); or PNPR(positive-negative pressure resp 丸善「略語大辞典」JLogosID : 11866024