Quando è stato scoperta la Fenilchetonuria? Qual è la storia della sua scoperta? È stata casuale o no?
Originale
In the 1960s the the doctors begin to find out that people who are severely retarded often had sensitivity to protein levels specifically phenylalanine in protein. In the 1970s they mandated all children born in the US to be given at Guthrie heel prick to test for PKU