对维生素D 的功用有必要重新认识,经几年的研究,收集了与细胞分化及增殖不可缺少的有关资料,对难治的皮肤病牛皮癣,维生素D 有较好的疗效,引起人们的注意。维生素D 是在60多年前发现的,到1970年才弄清由皮肤制造出维生素D,经在肝脏,肾脏细加工,可 The function of vitamin D is necessary to re-understand, after several years of research, collected and cell differentiation and proliferation of indispensable information on the refractory skin diseases, psoriasis, vitamin D has a good effect, aroused people’s attention. Vitamin D was discovered more than 60 years ago, until in 1970 to find out from the skin to make vitamin D, by the liver, kidney fine processing, but