Phelan-McDermid Syndrome

Stephanie Wermuth, a 10-year-old with Phelan-McDermid Syndrome, is seen during ...

Photo: Leslie Karnowski

Stephanie Wermuth, a 10-year-old with Phelan-McDermid Syndrome, is seen during the presentation declaring May 19 as Phelan-McDermid Syndrome Day and July 21-27 as Phelan-McDermid Syndrome Week.