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Deficiencia de vitamina B12 en bebé vegetariano (Perú)
January 23, 2026
Vitamin B12 deficiency in vegetarian infant (Peru)
January 23, 2026
Carta de Albert Einstein a Hermann Huth sobre el vegetarianismo (1930)
January 22, 2026
Albert Einstein's 1930 letter to Hermann Huth on vegetarianism
January 19, 2026
Tom Regan: Die Philosophie der Tierrechte (neue Übersetzung)
January 01, 2026
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