19.02.2009
opracowanie na podstawie: Effectiveness of maternal influenza immunization in mothers and infants
K. Zaman, E. Roy, S.E. Arifeen, M. Rahman, R. Raqib, E. Wilson, S.B. Omer, N.S. Shahid, R.E. Breiman, M.C. Steinhoff
The New England Journal of Medicine, 2008; 359: 1555–1564