TY - RPRT TI - Interim analyses in clinical trials: why do we plan them? AU - S D Fossâ AU - E Skovlund PY - 2000 DO - 10.1200/jco.2000.18.24.4007 UR - https://pubmed.ncbi.nlm.nih.gov/11118460/ ID - 11118460 ER -