Research on puberty of Kinh and San Diu students in Vinh Phuc and Phu Tho provinces
This study was designed to be a cross-sectional study of 1440 Kinh students and 718 San Diu students from 11 to 17 years of age in Vinh Phuc and Phu Tho Provinces. The study objective was to determine the age of puberty of Kinh and San Diu students in these provinces.