| 241 | 241 | https://archive.org/details/environmentalhea0000moel | --- | (qiymatlanmagan) | 73 | |
| 242 | 242 | https://e-library.sammu.uz/uz/book/1842 | --- | (qiymatlanmagan) | 74 | |
| 243 | 243 | https://e-library.sammu.uz/uz/book/3414 | --- | (qiymatlanmagan) | 74 | |
| 244 | 244 | https://library.ziyonet.uz/ru/book/4940 | --- | (qiymatlanmagan) | 74 | |
| 245 | 245 | https://www.wildberries.ru/catalog/440565389/detail.aspx | --- | (qiymatlanmagan) | 74 | |
| 246 | 246 | https://archive.org/details/environmentalhea0000moel | --- | (qiymatlanmagan) | 74 | |
| 247 | 247 | https://e-library.sammu.uz/uz/book/1842 | --- | (qiymatlanmagan) | 75 | |
| 248 | 248 | https://e-library.sammu.uz/uz/book/3414 | --- | (qiymatlanmagan) | 75 | |
| 249 | 249 | https://library.ziyonet.uz/ru/book/4940 | --- | (qiymatlanmagan) | 75 | |
| 250 | 250 | https://www.wildberries.ru/catalog/440565389/detail.aspx | --- | (qiymatlanmagan) | 75 | |
| 251 | 251 | https://archive.org/details/environmentalhea0000moel | --- | (qiymatlanmagan) | 75 | |
| 252 | 252 | http://www.histology.narod.ru/ | --- | (qiymatlanmagan) | 76 | |
| 253 | 253 | http://histologyatlas.wisc.edu/ | --- | (qiymatlanmagan) | 76 | |
| 254 | 254 | http://www.histology-world.com/ | --- | (qiymatlanmagan) | 76 | |
| 255 | 255 | http://www.ziyonet.uz | --- | (qiymatlanmagan) | 76 | |
| 256 | 256 | http://www.edu.uz | --- | (qiymatlanmagan) | 76 | |
| 257 | 257 | http://www.histology.narod.ru/ | --- | (qiymatlanmagan) | 77 | |
| 258 | 258 | http://histologyatlas.wisc.edu/ | --- | (qiymatlanmagan) | 77 | |
| 259 | 259 | http://www.histology-world.com/ | --- | (qiymatlanmagan) | 77 | |
| 260 | 260 | http://www.ziyonet.uz | --- | (qiymatlanmagan) | 77 | |