The Open Clinical Trials Journal - Volume 4 (2013)
RESEARCH ARTICLE 
The Open Clinical Trials Journal, Volume: 4 (2013) : 1-7 [Electronic Publication Date:  May 17
                , 2013] 
DOI: 10.2174/1876821001204010001
DOI: 10.2174/1876821001204010001
- Authors: Juha Varis, Maarit Ruuska, Jarno Johansson and Ilkka Kantola