TY - RPRT TI - Protocol designed subgroup analyses in multiarmed clinical trials: multiplicity aspects. AU - Egbert H E Biesheuvel AU - Ludwig A Hothorn PY - 2003 DO - 10.1081/bip-120024201 UR - https://pubmed.ncbi.nlm.nih.gov/14584714/ ID - 14584714 ER -