Youth (2) jeunesse (1) trajectoire (1) temps (durée) (1) mise sous écran protecteur (1) risque (1) modélisation (1) âge (1) jeune (1) Instruction and study (1) Intercession (1) Counseling of (1) Treatment (1) Care (1) Databases (1) Assaying (1) Acupuncture (1) Platforms (1) Platforms (1) Identification (1) Databases (1) Membership (1) Young adults (1) Weights and measures (1) Tobacco use (1) Tobacco (1) Time (1) Students (1) Smoking (1) Sexual abstinence (1)