Rheumatic heart disease (RHD) is influenced by genetic factor, microorganism's virulence, and environmental factor. The aim of this study was to determine human leukocyte (HLA)-DRB1 allele among children with RHD in Medan, Indonesia. Methods An observational study was conducted at the Department of Child Health, Haji Adam Malik Hospital Medan from ...

By Tina Christina Lumban Tobing, Teddy Ontoseno, Sri Endah Rahayuningsih, Ratna Akbari Ganie, Yahwardiah Siregar