5MYERS M M,FIFER W P,SCHAEFFER L,et al.Effect of sleeping position and time after feeding on the organization of sleep/wake stetes in prematurely born infants[J]. Sleep,1998,21(4):343-349.
6MARTIN R J,HERRELL N,RUBIN D,et al. Effect of supine and prone positions on arterial oxygen tension in the preterm infant[J]. Pediatrics, 1979,63(4):528-531.
7TAYLOR J A,KRIEGER J W,REAY D T,et al.Prone sleep position and the sudden infant death syndrome in King County, Washington: a case-control study[J]. J Pediatr,1996,128(5 Pt 1):626-630.
8BAIRD T M,PATON J B,FISHER D E.Improved oxygenation with prone positioning in neonates: stability of increased transcutaneous PO2[J]. J Perinatol,1991,11(4):315-318.
9MARTIN R J,DIFIORE J M,KORENKE C B,et al.Vulnerability of respiratory control in healthy preterm infants placed supine[J].J Rediatr,1995,127(4): 609-614.
10KURLAK L O,RUGGINS N R,STEPHENSON T J.Effect of nursing position on incidence,type,and duration of clinically significant apnea in preterm infants[J]. Arch Dis Chil,1994,71(1):F16-19.