YY 1 views today 1 views this weekChinese physician and writerYu YanBiographyGalleryListsAlso ViewedListsYu Yan is in following listsBy Field Of WorkNotable Chinese people in healthcare and medicineGender:MaleBy Work And/Or CountryNotable Chinese PhysiciansGender:MaleBy Category1879 births1954 deaths20th-century Chinese physicians
