| Title : Investigations into cholinesterase levels in serum and cerebrospinal fluid of psychotic patients - |
| Author(s) : Early DF , Hemphill RE , et al. |
| Ref : Biochemical Journal , 45 :552 , 1949 |
| PubMedID: 15396624 |
| Title : Cholinesterase activity in cerebro-spinal fluid - |
| Author(s) : Reiss M , Hemphill RE |
| Ref : Nature , 161 :18 , 1948 |
| PubMedID: 18933852 |