Hintz S R, Stevenson D K
Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, 750 Welch Road, Suite 315, Palo Alto, CA 94304-1510, USA.
Pediatr Res. 2001 Dec;50(6):676-7. doi: 10.1203/00006450-200112000-00005.