the partition of energy utilization was evaluated by 22 metabolic and nutritional balance studies in 13 formula-fed ( sma 20/24 ) , growing , appropriate-for-gestational age , very low-birth-weight infants ( mean +/- se birth weight , 1,155 +/- 39 gm ; study weight , 1,271 +/- 60 gm ; age at study , 21 +/- 2 days ; weight gain , 16.8 +/- 1 gm/kg/day ) .
C0282666
very low-birth-weight infants
C0005612
birth weight