There are multiple definitions:
Checklist for Autism in Toddlers(English)
- autism screening tool, birth - 36 mos.
- Psychology, Questionnaire
combined Heermann and Tos(English)
- combination of Heermann's 'cartilage palisade tympanoplasty' and Tos's 'modified combined approach tympanoplasty
- ENT, Surgery
- https://doi.org…022215054273250
choline acetyltransferase(English)