Feuer L, Bányai B, Hercsel J
Experientia. 1977 Aug 15;33(8):1005-6. doi: 10.1007/BF01945934.
Administration of the protein-free extract of bovine parathyroid powder to rats resulted in a significant increase of the serum vitamin A level.
给大鼠注射牛甲状旁腺粉末的无蛋白提取物会导致血清维生素A水平显著升高。