Age when first used marijuana

Synonyms

Alternative names recorded for Age when first used marijuana across source vocabularies.

• Age first used marijuana
• Age first used marijuana; H+P; H+P.HX; P prime; Point in time; QNT; Quan; Quant; Quantitative; Random
• 首次使用大麻时的年龄:时间:时间点:^患者:定量型

Where it sits in the hierarchy

Ordered by distance - 1 is a direct parent or child.

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