The Sit-up Test:An Alternative Clinical Test for Evaluating Pediatric TorticollisPediatrics 90:612-615, Caputo,A.R.,et al, 1992
DystoniaNEJM 355:818-829, Tarsy,D. &Simon,D.K., 2006
The DystoniasBMJ 300:139-144, Marsden,C.D.&Quinn,N.P., 1990