| Title : Clinical response to choline plus piracetam in senile dementia: relation to red-cell choline level - |
| Author(s) : Friedman E , Sherman KA , Ferris SH , Reisberg B , Bartus RT , Schneck MK |
| Ref : N Engl J Med , 304 :1490 , 1981 |
| PubMedID: 7231482 |