Keratin is the major protein in hair and nails.角蛋白是毛发和指甲中的主要蛋白质.Immunohistochemical stains were positive for Vimentin, Keratin and EMA to a certain degree.免疫组织化学对波形蛋白(Vimentin) 、 角蛋白(Keratin)和上皮腺抗原(EMA)呈不同程度阳性反应.Ingredie...
The feeding of dairy cows has undergone a revolution.乳牛的喂养方法发生了巨大的改变。They eat a lot of meats and dairy foods, along with a lot of miscellaneous items that don't fall into any group.他们吃了大量的肉和奶制品，还有许多不知道该归为什么类别的杂七杂八的东...