This is a retrospective chart review study involved totally 42 very low birth weight prematures(birth body weight less than 1500gm, VLBW) who received conventional or fiberoptic phototherapy.

• 本篇采病历回顾式研究，著重于两种照光治疗，对小于1500克的早产儿所造成的生理影响作一个比较。