| Abbreviated Journal Title | ISSN | Total Cites | Impact factor | Immediacy Index | Articles | Cited Half-life |
| ULTRAMICROSCOPY | 0304-3991 | 3866 | 1.706 | 0.473 | 129 | 8 |
| ULTRASCHALL MED | 0172-4614 | 580 | 2.103 | 0.303 | 66 | 3.5 |
| ULTRASON SONOCHEM | 1350-4177 | 1188 | 1.96 | 0.506 | 87 | 4.9 |
| ULTRASONIC IMAGING | 0161-7346 | 721 | 1.606 | 0.091 | 11 | >10.0 |
| ULTRASONICS | 0041-624 | 1956 | 1.322 | 0.176 | 68 | 6.6 |
| ULTRASOUND MED BIOL | 0301-5629 | 4883 | 2.011 | 0.184 | 201 | 6.4 |
| ULTRASOUND OBST GYN | 0960-7692 | 4352 | 2.288 | 0.583 | 216 | 5.1 |
| ULTRASTRUCT PATHOL | 0191-3123 | 805 | 0.835 | 0.071 | 56 | 9.5 |
| UNDERSEA HYPERBAR M | 1066-2936 | 555 | 0.597 | 0.082 | 49 | >10.0 |
| UNDERWATER TECHNOL | 0141-0814 | 16 | 0.133 | 0 | 3 | |
| UNFALLCHIRURG | 0177-5537 | 1183 | 0.645 | 0.091 | 132 | 6.7 |
| UPSALA J MED SCI | 0300-9734 | 207 | 0.476 | 0.077 | 26 | >10.0 |
| UROL CLIN N AM | 0094-0143 | 2166 | 1.819 | 0.125 | 48 | 8.9 |
| UROL INT | 0042-1138 | 1307 | 0.709 | 0.077 | 155 | 7.3 |
| UROL ONCOL-SEMIN ORI | 1078-1439 | 493 | 2.089 | 0.206 | 68 | 2.7 |
| UROL RES | 0300-5623 | 1165 | 1.449 | 0.197 | 61 | 7 |
| UROLOGE | 1433-0563 | 514 | 0.404 | 0.096 | 166 | 4.5 |
| UROLOGY | 0090-4295 | 15786 | 2.13 | 0.19 | 675 | 6 |
| URSUS | 1537-6176 | 226 | 0.75 | 0.095 | 21 | 4.8 |
| USER MODEL USER-ADAP | 0924-1868 | 299 | 1.308 | 0.214 | 14 | 5.6 |
| USP KHIM+ | 0042-1308 | 2148 | 1.717 | 0.193 | 57 | >10.0 |
| UTILITAS MATHEMATICA | 0315-3681 | 197 | 0.268 | 0.017 | 60 | >10.0 |