Phenotypic heterogeneity and polygenic risk scores in a family of maturity-onset diabetes of the young. - Chatchomchuan, Waralee; Thewjitcharoen, Yotsapon; Nakasatien, Soontaree; Himathongkam, Thep; Lim, Cadmon K P; Chan, Juliana C N (JCEM Case Reports, 2026)