THE VITAMIN A STATUS OF FAMILIES IN WIDELY DIFFERENT ECONOMIC LEVELS

• 1 May 1940
• journal article
• research article
• Published by Elsevier in The Lancet Healthy Longevity
• Vol. 199  (5) , 686-697
• https://doi.org/10.1097/00000441-194005000-00014

Abstract

Keywords

• INCOME
• METHODOLOGY
• COMPOSITION