Validity of the Peabody Developmental Gross Motor Scale as an evaluative measure of infants receiving physical therapy... including commentary by Boyce WF with author response... the results of this study were presented in platform format at the Second Joint Congress of the Canadian Physiotherapy Association and the American Physical Therapy Association; June 4-8, 1994; Toronto, Ontario, Canada. - Palisano RJ; Kolobe TH; Haley SM; Lowes LP; Jones SL (Physical Therapy, 1995)