vitamin b12 injection and covid vaccine Phase 1 trial of COVID-19 PTXCOVID19-B SIZE:30mL Antimetabolites Read "Evidence Review of

vitamin b12 injection and covid vaccine Phase 1 trial of COVID-19 PTXCOVID19-B SIZE:30mL Antimetabolites Read "Evidence Review of

Read "Evidence Review of the Adverse Effects of COVID-19 Vaccination and Intramuscular Vaccine Administration" at NAP.edu

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Antimetabolites

SIZE:30mL

There is increasing evidence from cross-sectional studies that some neural tube defect affected pregnancies that are not prevented by maternal folic acid supplementation and/or wheat flour folic acid fortification may result from vitamin B12 deficiency, although no randomized control trails have been conducted [5 •• ]