The Journal of Pediatrics
The Journal of Pediatrics > 1999 > 135 > 4 > 522-525
The Journal of Pediatrics > 1999 > 135 > 4 > 423-429
The Journal of Pediatrics > 1999 > 135 > 4 > 477-481
The Journal of Pediatrics > 1999 > 135 > 4 > 470-476
The Journal of Pediatrics > 1999 > 135 > 4 > 430-436
The Journal of Pediatrics > 1999 > 135 > 4 > 465-469
The Journal of Pediatrics > 1999 > 135 > 4 > 514-516
The Journal of Pediatrics > 1999 > 135 > 4 > 506-512