共 50 条
- [31] CEREBRAL-ANGIOGRAPHY WITH IOHEXOL - A MULTICENTER CLINICAL-TRIAL ACTA RADIOLOGICA-DIAGNOSIS, 1982, 23 (06): : 529 - 534
- [33] THE USE OF A DISTRIBUTED DATA-ENTRY SYSTEM IN A MULTICENTER STUDY CONTROLLED CLINICAL TRIALS, 1987, 8 (03): : 308 - 308
- [34] A MULTICENTER CLINICAL-TRIAL OF BI-PROFENID IN RHEUMATOLOGY SEMAINE DES HOPITAUX, 1983, 59 (46): : 3229 - 3234
- [36] FUNCTIONAL COMPARISONS BETWEEN DISTRIBUTED AND CENTRALIZED CLINICAL-TRIAL DATA-PROCESSING SYSTEMS CONTROLLED CLINICAL TRIALS, 1988, 9 (03): : 266 - 266