Ikf-a farak wa assohen n Mary Campbell Dawbarn tolas issewadan daɣ aliste
Context:Mary Campbell "Mollie" Dawbarn (5 janvier 1902 <unk> 24 mai 1982) taqqal biochimiste d fiziologist n Australia Atiwazay hullan fal farak net fal vitamin tan win B Eɣanni n assay i vitamin b12 d iji n tikarsiwen i asidu n vitamin B1 daɣ aɣud eqqal daɣ alxidmaten net wi assohat nen
- Eɣanni n amiyiz n vitamin B12 - Asimutiy n tikarsiwen i asidu n vitamin B1 daɣ aɣrum