| Gastroesophageal reflux and treatments | Lifetime | 17 | US 8 | 99.77 |
| Gastrointestinal motility and disorders | Lifetime | 20 | US 7 | 99.79 |
| Acupuncture Treatment Research Studies | Lifetime | 16 | US 7 | 99.49 |
| Dysphagia Assessment and Management | Lifetime | 35 | US 17 | 99.15 |
| Esophageal and GI Pathology | Lifetime | 110 | US 57 | 99.49 |
| Eosinophilic Esophagitis | Lifetime | 79 | US 40 | 99.44 |
| Helicobacter pylori-related gastroenterology studies | Lifetime | 129 | US 46 | 99.33 |
| Diet and metabolism studies | Lifetime | 374 | US 162 | 99.24 |
| Nausea and vomiting management | Lifetime | 65 | US 26 | 98.96 |
| Pharmacology and Obesity Treatment | Lifetime | 77 | US 41 | 98.90 |
| Complementary and Alternative Medicine Studies | Lifetime | 106 | US 47 | 98.09 |
| Cardiovascular Syncope and Autonomic Disorders | Lifetime | 176 | US 81 | 98.06 |
| Phonocardiography and Auscultation Techniques | Lifetime | 49 | US 21 | 96.66 |
| Pathogenesis and Treatment of Hiccups | Lifetime | 14 | US 6 | 98.47 |
| Infant Health and Development | Lifetime | 125 | US 56 | 97.92 |
| Esophageal Cancer Research and Treatment | Lifetime | 526 | US 202 | 97.28 |
| Congenital gastrointestinal and neural anomalies | Lifetime | 108 | US 38 | 97.09 |
| Myofascial pain diagnosis and treatment | Lifetime | 209 | US 59 | 96.25 |
| Vagus Nerve Stimulation Research | Lifetime | 151 | US 76 | 94.70 |
| Restless Legs Syndrome Research | Lifetime | 204 | US 57 | 94.41 |
| Intestinal and Peritoneal Adhesions | Lifetime | 496 | US 171 | 92.72 |
| Migraine and Headache Studies | Lifetime | 707 | US 220 | 93.27 |
| Gastrointestinal Bleeding Diagnosis and Treatment | Lifetime | 848 | US 232 | 89.72 |
| Antioxidants, Aging, Portulaca oleracea | Lifetime | 512 | US 24 | 45.02 |
| Gastrointestinal motility and disorders | 2021-2025 | 115 | US 38 | 95.24 |
| Pathogenesis and Treatment of Hiccups | 2021-2025 | 12 | US 3 | 88.46 |
| Gastroesophageal reflux and treatments | 2021-2025 | 700 | US 201 | 82.01 |
| Pharmacology and Obesity Treatment | 2021-2025 | 354 | US 160 | 77.23 |
| Complementary and Alternative Medicine Studies | 2021-2025 | 440 | US 89 | 76.68 |
| Nausea and vomiting management | 2021-2025 | 404 | US 50 | 74.18 |
| Acupuncture Treatment Research Studies | 2021-2025 | 630 | US 54 | 73.74 |
| Vascular anomalies and interventions | 2021-2025 | 414 | US 141 | 67.16 |
| Infant Health and Development | 2021-2025 | 774 | US 193 | 59.05 |
| Congenital gastrointestinal and neural anomalies | 2021-2025 | 652 | US 189 | 53.43 |