Chantragan SrisomsapPornswan WasantJisnuson SvastiDaranee ChokchaichamnankitSomporn LiammongkolkulChulabhorn Research InstituteMahidol University2018-09-072018-09-071999-12-01Southeast Asian Journal of Tropical Medicine and Public Health. Vol.30, No.SUPPL. 2 (1999), 140-142012515622-s2.0-0347811687https://repository.li.mahidol.ac.th/handle/20.500.14594/25539Methylmalonic acidemia is an inborn error of organic acid metabolism resulting from defects in methylmalonyl CoA mutase. Analysis of plasma free amino acids in a 15-month-old Thai infant by HPLC showed marked elevation of glycine. HPLC analysis of urinary organic acids showed high levels of methylmalonic acid.Mahidol UniversityMedicineArticleSCOPUS