| 1 | Assessment of upper airway obstruction by pulmonary function tests |
| Researcher: | Harbans Singh |
| Guide: | Hira, Harmanjit Singh |
| University: | University of Delhi |
| Language: | English |
| 2 | |
| Researcher: | Randhawa, Harbans Singh |
| University: | University Of Delhi |
| Language: | English |