van Essen Gerrit A & Kroneman Madelon W. (2007). Variations in influenza vaccination coverage among the high-risk population in Sweden in 2003/4 and 2004/5: A population survey. BMC.
Chicago Style (17th ed.) Citationvan Essen Gerrit A and Kroneman Madelon W. Variations in Influenza Vaccination Coverage Among the High-risk Population in Sweden in 2003/4 and 2004/5: A Population Survey. BMC, 2007.
MLA (9th ed.) Citationvan Essen Gerrit A and Kroneman Madelon W. Variations in Influenza Vaccination Coverage Among the High-risk Population in Sweden in 2003/4 and 2004/5: A Population Survey. BMC, 2007.
Warning: These citations may not always be 100% accurate.