Published
Medical geochemical investigations in taking precautionary measures against diseases. Protection and human health
by
Varnavas S.P., Kalavrouziotis I.K., Karaberou G., Apostolopoulou K. and P.S. Varnavas
Published
Impact from road transport of radioactive wastes in Spain
by
Calleja J.A., Gutierrez F. and Colon C.
Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by
Kurdova R.I., Vutchev D.I. and Petrov P.P.