J Black, B Loff. Show Affiliations »
Abstract
Entities: Chemical Species
Mesh: See more » Developing CountriesDrug CostsDrug IndustryHumansInfantVitamin A/therapeutic use
Substances: See more » Vitamin A
Year: 2001 PMID: 11339221
Source DB: PubMed Journal: BMJ ISSN: 0959-8138