[概述]7﹒感谢被允许参观一个科室（Appreciation for being allowed to visit a department）

Dear Professor Hocks，Thank you so much for allowing me to visit your department and to watch some open‐heart surgery being performed .I wonder if you would be so kind as to send me a copy of your reprint：Hocks，C .：Open‐heart surgery，Surgery 26，4，2000？亲爱的霍 ......