TY  - JOUR
A1  - Keitel, W.A.
A1  - Cate, T.R.
A1  - Couch, R.B.
A1  - Huggins, L.L.
A1  - Hesst, K.R.
T1  - Efficacy of repeated annual immunization with inactivated influenza virus vaccines over a five year period
Y1  - 1997
DO  - 10.1016/S0264-410X(97)00003-0
JF  - Vaccine
VL  - 15
IS  - 10

ER  -