Opitz John M
Pediatrics (Medical Genetics), Pathology, Human Genetics, Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah.
Am J Med Genet C Semin Med Genet. 2017 Sep;175(3):329-340. doi: 10.1002/ajmg.c.31574. Epub 2017 Aug 21.