pubmed:affiliation |
Centre for Pediatric Research, Children's Hospital of The King's Daughters, Eastern Virginia Medical School, Norfolk 23510-1001, USA. amorrow@chkd.com
|
pubmed:publicationType |
Journal Article,
Clinical Trial,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.,
Randomized Controlled Trial
|