| 122 | Педиатрия | Irina_M | 1.11.2004 | 17:40 | |
| 132 | Mantel Haenszel methodology stratifying by centre | Irina_M | 27.09.2004 | 10:30 | |
| 86 | treatment by centre interactions | Irina_M | 27.09.2004 | 10:26 | |
| 1 | 132 | stratifiyng by centre | Irina_M | 26.09.2004 | 20:23 |
| 2 | 107 | Statistics | Irina_M | 26.09.2004 | 17:39 |