P412: An atypical case of pseudohypoparathyroidism 1b due to uniparental hetero- and isodisomy detected by genome sequencing - Joshua Lowry; Zinayida Schlachetzki; Brendan Burns; Ajay Varadarajan; Brittany Thomas; Richard Wang; Evgenii Chekalin; Jon Albay; Marwan Shinawi; Dorothy Grange; Ryan Taft; Denise Perry; et al. (Genetics in Medicine Open)