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Lethargy, fatigue or feeling faint
In 1880, German physician-scientist (and later Nobel laureate) Paul Ehrlich (1854-1915), using aniline dyes developed by his cousin Carl Weigert (1845-1904), a German pathologist, identified large erythroid precursor cells that he called megaloblasts in stained blood smears of patients with pernicious anemia (139)
The study found that serum cobalamin levels were restored equally well in both groups , demonstrating non-inferiority of the oral formulation
they are managing hundreds
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