TY - JOUR AU - Knechtle, B; Valeri, F; Nikolaidis, P T TI - Do women reduce the gap to men in ultra-marathon running? JO - SpringerPlus VL - 5 PY - 2016 DO - 10.1186/s40064-016-2326-y L3 - PubMed-ID: 27350909 SP - 672 N1 - et al. ER -