A. Ponka

发表

J. Schwartz, H. R. Anderson, J. Vonk, 1996 .

L. Maunula, C. von Bonsdorff, A. Ponka, 1999, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

J. Schwartz, G. Rossi, A. Le Tertre, 1996, Journal of epidemiology and community health.

J. Schwartz, H. R. Anderson, J. Vonk, 1996, Journal of epidemiology and community health.

M. Virtanen, A. Ponka, M. Virtanen, 1998, Archives of environmental health.