00298nam a22000977a 4500082001500000100002400015245006900039260007100108300001000179650001100189  a616.81 PAR  aParsons, William B.  aReport on a study on strike back at stroke /cWilliam B. Parsons  aWashington, DC :bU.S. Department of Health Education and Welfare,  a77 p.  aStroke