1. The Sony Ericsson WTA Tour 10 year age eligibility and professional development review. Issue 5 (21st April 2006) Authors: Otis, C L; Crespo, M; Flygare, C T; Johnston, P R; Keber, A; Lloyd-Kolkin, D; Loehr, J; Martin, K; Pluim, B M; Quinn, A; Roetert, P; Stroia, K A; Terry, P C Journal: British journal of sports medicine Issue: Volume 40:Issue 5(2006) Page Start: 464 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗