PMID Title Journal Publication Year Author View in RVdb
21852171 E-mail-based symptomatic surveillance combined with self-collection of nasal swabs: a new tool for acute respiratory infection epidemiology. Int J Infect Dis 2011 Akmatov MK;Krebs S;Preusse M;Gatzemeier A;Frischmann U;Schughart K;Pessler F View More