The hipaa privacy rule provides federal protections for personal health information held by covered entities and gives patients. Phi stands for protected health information. 为了避免 phi 的大写与符号弄混，当时在作业和试卷里，我会在大写的竖画两端刻意加上衬线。 希腊字母在国家标准 gb2312 里也有相应的编码值，如图中所示。
Q+A with Stephen Elliott Phi Kappa Psi Fraternity
