Universal HIV screening of pregnant women in England: cost effectiveness analysis

od Postma, M J, Beck, E J, Mandalia, S, Sherr, L, Walters, M D S, Houweling, H, Jager, J C
Izdano 1999

Estimating influenza-related hospitalization in The Netherlands.

od Baltussen, R. M., Reinders, A., Sprenger, M. J., Postma, M. J., Jager, J. C., Ament, A. J., Leidl, R. M.
Izdano 1998