"Tourette's syndrome is a type of tic disorder."
"child may have a tic but not have Tourette's syndrome."
http://familydoctor.org/online/famdocen/home/children/parents/special/common/378.html
"child may have a tic but not have Tourette's syndrome."
http://familydoctor.org/online/famdocen/home/children/parents/special/common/378.html