RT Journal Article SR Electronic T1 Why every office needs a tennis ball: a new approach to assessing the clumsy child JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 471 OP 471 DO 10.1503/cmaj.051202 VO 175 IS 5 A1 Missiuna, Cheryl A1 Gaines, Robin A1 Soucie, Helen YR 2006 UL http://www.cmaj.ca/content/175/5/471.abstract