00315nam a2200085Ia 4500008004100000082001600041245010500057264005800162300000900220200527s9999||||xx |||||||||||||| ||und||  a610.151 USN 0aHealth Statistics: Distributions and use of Hearing Aids, Wheel Chairs, Braces, and Artificial Limbs  bU.S. Department of Health Education and Welfarec1961  a24p.