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Journal: Clinical Science
Clin Sci (Lond) (1990) 78 (1): 63–66.
Published: 01 January 1990
... the demonstration of a deficit of vitamin K 1 in the circulation of osteoporotic subjects. 3. Vitamin K 2 , namely the menaquinones of various chain-lengths, has been shown by others to be more effective than vitamin K 1 in the curative rat bioassay. 4. Earlier reports had shown that the concentration...