| http://www.w3.org/ns/prov#value | - Dietary deficiencies of vitamins A, C and E as well as trace metals such as zinc and selenium are associated with male infertility in animals and humans [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17] Choline is an essential nutrient for humans [18] and is important for normal fetal development [19].
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