| 1 | |
| Researcher: | Harbans Singh |
| Guide: | Hanspal, Harbhajan Singh |
| University: | University of Delhi |
| Language: | English |
| 2 | Assessment of upper airway obstruction by pulmonary function tests |
| Researcher: | Harbans Singh |
| Guide: | Hira, Harmanjit Singh |
| University: | University of Delhi |
| Language: | English |
| 3 | |
| Researcher: | Randhawa, Harbans Singh |
| Guide: | Gupta, N P |
| University: | University of Delhi |
| Language: | English |
| 4 | |
| Researcher: | Chawla, Harbans Singh |
| Guide: | Hanspal, Harbhajan Singh |
| University: | University of Delhi |
| Language: | English |
| 5 | |
| Researcher: | Chawla, Harbans Singh |
| Guide: | Chawla, Harbans Singh |
| University: | University of Delhi |
| Language: | English |