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Search strategy using unrestricted publication dates
| And | And | And | Results | Selected | |
| Laparoscopic surgery | Open cholecystectomy | Meta-analysis | 61 | 15 | |
| Laparoscopic surgery | Endoscopic surgery | Groin hernia | Meta-analysis | 15 | 6 |
| Laparoscopic surgery | Endoscopic surgery | Incisional hernia | Meta-analysis | 19 | 6 |
| Laparoscopic surgery | Fundoplication | Meta-analysis | 42 | 9 |
