M. Kaneki et al (2001). “Japanese fermented soybean food as the major determinant of the large geographic difference in circulating levels of vitamin K2: possible implications for hip-fracture risk”. Nutrition17 (4): 315-321. doi:10.1016/S0899-9007(00)00554-2. ISSN0899-9007. PMID11369171.
M. Kaneki et al (2001). “Japanese fermented soybean food as the major determinant of the large geographic difference in circulating levels of vitamin K2: possible implications for hip-fracture risk”. Nutrition17 (4): 315-321. doi:10.1016/S0899-9007(00)00554-2. ISSN0899-9007. PMID11369171.
M. Kaneki et al (2001). “Japanese fermented soybean food as the major determinant of the large geographic difference in circulating levels of vitamin K2: possible implications for hip-fracture risk”. Nutrition17 (4): 315-321. doi:10.1016/S0899-9007(00)00554-2. ISSN0899-9007. PMID11369171.