Five abstracts, which appeared in the April 1998 issue of Pediatric Research (Pediatr Res 43:1A-420A, 1998), are reprinted here to correct errors that occurred in transcription prior to the publication process. We regret these errors. Please note the following specific corrections:

  • Abstract 617: revision of each author except first author

  • Abstract 1340: correction of institution and addition of sponsor

  • Abstract 1604: revision of each author except first author

  • Abstract 1658: revision of each author except first author

  • Abstract 1943: revision of table