Prader-Labhart-Willi syndrome: communication disorders; communication
disorders: Prader-Willi syndrome; Labhart-Willisyndrome: communication disorders;
Labhart-Willi-Prader-Fanconi syndrome: communication disorders; Royer syndrome:
communication disorders; communication impairment: Prader-Willi syndrome; language
disorder: Prader-Willi syndrome; language impairment: Prader-Willi syndrome
› Anatomical location/body part affected: Muscles, genitalia, facial features, respiratory