TY - JOUR AU - Gluud, Christian AU - Nikolova, Dimitrinka PY - 2007 DA - 2007/02/27 TI - Likely country of origin in publications on randomised controlled trials and controlled clinical trials during the last 60 years JO - Trials SP - 7 VL - 8 IS - 1 AB - The number of publications on clinical trials is unknown as well as the countries publishing most trial reports. To try to examine these questions we performed an ecological study. SN - 1745-6215 UR - https://doi.org/10.1186/1745-6215-8-7 DO - 10.1186/1745-6215-8-7 ID - Gluud2007 ER -