National Occupational Classification (NOC) 2021 Version 1.0
- 3 - Health occupations
- 31 - Professional occupations in health
- 311 - Health treating and consultation services professionals
- 3111 - Dentists, optometrists and audiologists
- 31110 - Dentists
- 31111 - Optometrists
- 31112 - Audiologists and speech-language pathologists
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