a total of 69 very low birth weight ( vlbw = birth weight less than or equal to 1500gm ) infants , born at veterans general hospital from january 1 , 1984 until december 31 , 1986 , were studied , excluding 4 patients who were discharged before the condition was stabilized and were also lost to follow-up .
C0282666
very low birth weight
C0005612
birth weight