112 | Педиатрия | Irina_M | 1.11.2004 | 14:40 | |
127 | Mantel Haenszel methodology stratifying by centre | Irina_M | 27.09.2004 | 7:30 | |
82 | treatment by centre interactions | Irina_M | 27.09.2004 | 7:26 | |
1 | 125 | stratifiyng by centre | Irina_M | 26.09.2004 | 17:23 |
2 | 96 | Statistics | Irina_M | 26.09.2004 | 14:39 |