"Stops walking when talking" does not predict falls in Parkinson's disease.Published in:2000By:Bloem, Bastiaan R.;Grimbergen, Yvette A. M.;Cramer, Monique;Valkenburg, Vibeke V.;Bloem, B R;Grimbergen, Y A;Cramer, M;Valkenburg, V VPublication type:Letter