[Changes on definition and diagnostic criteria of the chronic fatigue syndrome].
Qin
You
Y
gzqinyou@163.com
Pang
Feng-Shun
FS
Cai
Bei-Yuan
BY
D019937:Diagnostic Techniques and Procedures / Q000592:standards*; D015673:Fatigue Syndrome, Chronic / Q000175:diagnosis*; D006801:Humans; D012015:Reference Standards