TY - JOUR AU - Young, B W; Starkes, J L TI - Career-span analyses of track performance: longitudinal data present a more optimistic view of age-related performance decline JO - Exp Aging Res VL - 31 PY - 2005 DO - 10.1080/03610730590882855 L3 - PubMed-ID: 15842074 SP - 69 EP - 90 ER -