TY - RPRT TI - Statistical methods used in the marathon study. AU - R J Does AU - G M Janssen AU - M P Janssen AU - F M Wuts PY - 1989 DO - 10.1055/s-2007-1024959 UR - https://pubmed.ncbi.nlm.nih.gov/2599729/ ID - 2599729 ER -