50
Participants
Start Date
December 31, 2012
Primary Completion Date
March 31, 2013
Study Completion Date
March 31, 2013
Folic Acid
yellow tablet contained 5mg of folic acid, manufactured from the Government Pharmaceutical Organization, Ministry of Public Health, Thailand
placebo
sugar tablet manufactured to mimic folic acid tablet
Department of Pediatrics, Queen Sirikit National Institute of Child Health, Bangkok
Queen Sirikit National Institute of Child Health, Bangkok
Chulalongkorn University
OTHER
Queen Sirikit National Institute of Child Health
OTHER_GOV