Seroprevalence of pertussis among Danish patients with cough of unknown etiology.
Dalby
Tine
T
Department of Microbiologic Surveillance and Research, Statens Serum Institut, Artillerivej 5, 45-305, DK-2300 Copenhagen S, Denmark. tid@ssi.dk
Harboe
Zitta B
ZB
Krogfelt
Karen Angeliki
KA