Noyes B E, Kurland G, Orenstein D M
Department of Pediatrics, St. Louis University School of Medicine, Cardinal Glennon Children's Hospital 63104-1095, USA.
Pediatr Pulmonol. 1997 Jan;23(1):39-48. doi: 10.1002/(sici)1099-0496(199701)23:1<39::aid-ppul5>3.0.co;2-k.