Association between the elderly frequent attender to the emergency department and 30-day mortality: A retrospective study over 10 years

Yuzeng Shen, Yee Chien Tay, Edward Wee Kwan Teo, Nan Liu, Shao Wei Lam, Marcus Eng Hock Ong

World Journal of Emergency Medicine . 2018, (1): 20 -25 . DOI: 10.5847/wjem.j.1920-8642.2018.01.003