| 1 | |
| Researcher: | Usha Rani, K S |
| Guide: | Viswanathan, M |
| University: | University of Madras |
| Language: | English |
| 2 | Comparative study of colonoscopy and barium contrast enema examination in colonic lesions |
| Researcher: | Usha Rani, R |
| Guide: | Chugh, S K |
| University: | University of Delhi |
| Language: | English |
| 3 | |
| Researcher: | N, Usha Rani |
| Guide: | Rai, J V L N Seshagiri |
| University: | Andhra University |
| Language: | English |