| Title : Threats to the validity of clinical trials employing enrichment strategies for sample selection - Leber_1998_Control.Clin.Trials_19_178 |
| Author(s) : Leber PD , Davis CS |
| Ref : Control Clin Trials , 19 :178 , 1998 |
| Abstract : |
| PubMedSearch : Leber_1998_Control.Clin.Trials_19_178 |
| PubMedID: 9551282 |