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A deficit in Cbl is linked to weakened immunity as it is an essential vitamin

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A.Robert, J.E.Nazamis, C.Lancaster, J.N.Badolementi, Digestion, 1974
Keremi, B., Lohinai, Z., Komora, P., Duhaj, S., Borsi, K., Jobbagy-Ovari, G., & Varga, G

Ozempic should not be used in patients with a personal or family history of medullary thyroid carcinoma or in patients with Multiple Endocrine Neoplasia syndrome type 2
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