TY - GEN AU - Ballantyne,Kaye N AU - Kayser,Manfred AU - Grootegoed,J Anton TI - Sex and gender issues in competitive sports: investigation of a historical case leads to a new viewpoint SN - 1473-0480 PY - 2012///0828 KW - Athletic Performance KW - history KW - Chromosomes, Human, X KW - physiology KW - Chromosomes, Human, Y KW - Disorders of Sex Development KW - blood KW - Female KW - Gender Identity KW - History, 20th Century KW - Humans KW - Male KW - Mosaicism KW - Netherlands KW - Sex Characteristics KW - Sex Determination Analysis KW - Sexual Development KW - Testosterone N1 - Publication Type: Biography; Historical Article; Journal Article; Portrait; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1136/bjsm.2010.082552 ER -