Vascular endothelial growth factor (VEGF) expression in the subacromial bursa is increased in patients with impingement syndrome - Yanagisawa, K; Hamada, K; Gotoh, M; Tokunaga, T; Oshika, Y; Tomisawa, M; Lee, Y H; Handa, A; Kijima, H; Yamazaki, H; Nakamura, M; Ueyama, Y; Tamaoki, N; Fukuda, H (J Orthop Res, 2001)