[Analysis on correlation between sales of over-the-counter drugs and the incidence of influenza-like-illness].
Guo
Jian-Hua
JH
Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang 050011, China.
Zhou
Ji-Kun
JK
Feng
Su-Qing
SQ
D006801:Humans; D015994:Incidence; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology*; D004366:Nonprescription Drugs / Q000191:economics*; D011358:Product Surveillance, Postmarketing / Q000706:statistics & numerical data; D018571:Sentinel Surveillance
D004366:Nonprescription Drugs