Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Isobe Y. and Kogure N. and Hanazawa N. and Narita H. and Kanayama K. and Ito T.,Urine Acidifying Effect of Fumaric Acid in Dog and Cat,Journal of Pet Animal Nutrition,1344-3763,Japanese Society of Pet Animal Nutrition,2000,3,1,7-11,https://cir.nii.ac.jp/crid/1390282680436207104,https://doi.org/10.11266/jpan1998.3.1_7