Besonderhede van voorbeeld: 7646152617748433173

Metadata

Author: Giga-fren

Data

English^[en]

every 5 years to age 39; every 3 years age 40 to 46; and every 2 years thereafter.

French^[fr]

Personnel scientifique sur le terrain 3+ acuité auditive & visuelle & couleurs.

History

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