SZJ Aldin, LAA Baker - Journal of Natural Science, Biology and Medicine, 2023 - jnsbm.org
Introduction: The enzyme methylene tetrahydrofolate reductase (MTHFR) is the major regulator of homocysteine (HCY) levels in humans. Three missense mutations have a …
The conduction system in the heart begins to develop around 5 weeks of gestation, characterized by the emergence of cardiac pacemaker activity through the sinus node [1]. As …