TY - JOUR AU - Collen, F M; Wade, D T; Robb, G R TI - The Rivermead Mobility Index: a further development of the Rivermead Motor Assessment JO - Int Disabil Studies VL - 13 PY - 1991 DO - 10.3109/03790799109166684 SP - 50 EP - 54 N1 - et al. ER -