Hossain RZ, Ogawa Y, Morozumi M, Hokama S, Sugaya K (May 2003). "Milk and calcium prevent gastrointestinal absorption and urinary excretion of oxalate in rats". Frontiers in Bioscience. 8: a117-125. doi:10.2741/1083. PMID12700095.{{cite journal}}: CS1 maint: multiple names: authors list (ลิงก์)
Hossain RZ, Ogawa Y, Morozumi M, Hokama S, Sugaya K (May 2003). "Milk and calcium prevent gastrointestinal absorption and urinary excretion of oxalate in rats". Frontiers in Bioscience. 8: a117-125. doi:10.2741/1083. PMID12700095.{{cite journal}}: CS1 maint: multiple names: authors list (ลิงก์)