| Airway Management and Intubation Techniques | Lifetime | 235 | US 103 | 98.28 |
| Tracheal and airway disorders | Lifetime | 474 | US 263 | 98.38 |
| Religion, Theology, History, Judaism, Christianity | Lifetime | 26 | US 8 | 93.51 |
| Nerve injury and regeneration | Lifetime | 725 | US 308 | 96.13 |
| Organ and Tissue Transplantation Research | Lifetime | 241 | US 135 | 95.02 |
| Nerve Injury and Rehabilitation | Lifetime | 611 | US 312 | 94.86 |
| Diversity and Career in Medicine | Lifetime | 894 | US 667 | 90.80 |
| Facial Nerve Paralysis Treatment and Research | Lifetime | 747 | US 318 | 91.68 |
| Jewish and Middle Eastern Studies | Lifetime | 535 | US 207 | 92.47 |
| Reconstructive Facial Surgery Techniques | Lifetime | 931 | US 452 | 91.86 |
| European history and politics | Lifetime | 597 | US 282 | 90.35 |
| Nasal Surgery and Airway Studies | Lifetime | 829 | US 367 | 90.70 |
| International Relations and Foreign Policy | Lifetime | 637 | US 297 | 87.51 |
| German History and Society | Lifetime | 626 | US 303 | 78.90 |
| Nuclear Issues and Defense | Lifetime | 872 | US 460 | 74.98 |
| German legal, social, and political studies | Lifetime | 484 | US 43 | 71.58 |
| Tracheal and airway disorders | 2021-2025 | 21 | US 2 | 99.11 |
| Airway Management and Intubation Techniques | 2021-2025 | 13 | US 4 | 99.02 |
| Diversity and Career in Medicine | 2021-2025 | 191 | US 151 | 93.21 |
| Global Health Workforce Issues | 2021-2025 | 151 | US 56 | 91.91 |
| Innovations in Medical Education | 2021-2025 | 400 | US 170 | 92.79 |
| Olfactory and Sensory Function Studies | 2021-2025 | 216 | US 43 | 91.17 |
| Healthcare cost, quality, practices | 2021-2025 | 389 | US 165 | 83.17 |
| Medical Malpractice and Liability Issues | 2021-2025 | 306 | US 82 | 76.77 |
| Facial Nerve Paralysis Treatment and Research | 2021-2025 | 528 | US 126 | 71.50 |
| Ear Surgery and Otitis Media | 2021-2025 | 958 | US 220 | 68.75 |
| Reconstructive Facial Surgery Techniques | 2021-2025 | 818 | US 226 | 67.58 |
| Nasal Surgery and Airway Studies | 2021-2025 | 836 | US 270 | 64.16 |
| Healthcare Systems and Technology | 2021-2025 | 595 | US 230 | 61.68 |
| Facial Rejuvenation and Surgery Techniques | 2021-2025 | 953 | US 273 | 62.14 |
