Eine eigenartige Neurose des vegetativen Systems beim Kleinkinde.

Feer described a vegetative neurosis (“Feer’s disease”) affecting infants and characterized by cyanosis of the extremities, recurrent sweating, tremor, motor weakness, rapid pulse, and insomnia. It was first described by Selter (No. 6344) and later by Swift, with whose names it is sometimes associated; it is also termed infantile acrodynia and pink disease.