They have been deprived nutritionally, or some illness has not been picked up, or they have not been screened for vision or hearing defects, or they have not had some kind of a chronic illness or error of metabolism picked up.
-- C. Everett Koop
   
C. Everett Koop   Name:
C. Everett Koop
Type:
Public Servant
Nationality:
American
Birth:
October 14, 1916
https://www.nutquote.com/quote/C._Everett_Koop