Opitz John M
Pediatrics (Medical Genetics), Pediatric Pathology, Human Genetics, Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah.
Am J Med Genet A. 2015 Nov;167A(11):2566-7. doi: 10.1002/ajmg.a.37245. Epub 2015 Jul 29.