Table 6 The categories of research hotspots in 100 most cited articles in ectopic pregnancy
From: The 100 most cited articles in ectopic pregnancy: a bibliometric analysis
Rank | Key word | Frequency |
|---|---|---|
1 | Ectopic pregnancy | 79 |
2 | Treatment | 26 |
3 | Risk factors | 17 |
4 | Methotrexate | 16 |
5 | Diagnosis | 15 |
6 | Tubal pregnancy | 14 |
7 | Chlamydia trachomatis infections | 13 |
8 | HCG (Human Chorionic-Gonadotropin) | 12 |
9 | Pelvic inflammatory disease | 12 |
10 | Ultrasound | 11 |