Friede Tim, Pohlmann Harald, Schmidli Heinz
Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany.
Biostatistics NSO Franchise, Novartis Pharma AG, Basel, Switzerland.
Pharm Stat. 2019 May;18(3):351-365. doi: 10.1002/pst.1927. Epub 2019 Jan 16.