您好，文献TROIKA A general framework for heart rate monitoring using wrist-type photoplethysmographic signals during intensive physical exercise中提供的链接：[url]https://sites.google.com/site/researchbyzhang/[/url]已经失效，请问您手头有吗.若有的话，能否发一份到我的邮箱：[email]21115064@zju.edu.cn[/email]，感谢！
