Increased referrals for congenital hyperinsulinism genetic testing in children with trisomy 21 reflects the high burden of non-genetic risk factors in this group. - Hewat TI; Laver TW; Houghton JAL; Männistö JME; Alvi S; Brearey SP; Cody D; Dastamani A; De Los Santos La Torre M; Murphy N; Rami-Merhar B; Wefers B; et al. (Pediatric diabetes, 2022)