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nih.gov
pubmed.ncbi.nlm.nih.gov
Costagliola, D & Flahault, A & Galinec, D & Garnerin, P & Menares, J & Valleron, A J: A routine tool for detection and assessment of epidemics of influenza-like syndromes in France. American Journal of Public Health, 1991, nro 81, s. 97–99. PubMed:1983924. Artikkelin verkkoversio. Viitattu 16.8.2018.
ncbi.nlm.nih.gov
Costagliola, D & Flahault, A & Galinec, D & Garnerin, P & Menares, J & Valleron, A J: A routine tool for detection and assessment of epidemics of influenza-like syndromes in France. American Journal of Public Health, 1991, nro 81, s. 97–99. PubMed:1983924. Artikkelin verkkoversio. Viitattu 16.8.2018.
oup.com
academic.oup.com
Prediction of the Spread of Influenza Epidemics by the Method of Analogues. American Journal of Epidemiology, 15.11.2003, 158. vsk, nro 10, s. 996–1006. doi:10.1093/aje/kwg239. Artikkelin verkkoversio. Viitattu 16.8.2018.