Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOSHIDA Minoru and ISHIKAWA Michiyuki and NAKAJIMA Hiroki and HOTTA Saburo,Solubility of Phosphorus in Citric Acid Solution as an Index of Biological Availability,Japanese poultry science,0029-0254,Japan Poultry Science Association,1979,16,5,290-292,https://cir.nii.ac.jp/crid/1390282681435139840,https://doi.org/10.2141/jpsa.16.290