Med. Weter. 68 (5), 257-320, 2012

REVIEWS

Outline of the natural history of tumours – in English Madej J.A. [ summary ] 259

Effect of age food intake on the selected blood plasma/serum proteins in calves during the early postnatal period – in English Herosimczyk A.,
Lepczyński A., Ożgo M., Skrzypczak W.F. [ summary ] 265

Drug delivery systems: Breakthroughs in cancer therapy with anthracyclines Szyszko K., Pawłowski K.M., Majchrzak K., Mucha J., Motyl T.,
Król M. [ summary ] 269

Immunobiology of NK cells Wyszyńska Z., Szulc L., Struzik J., Niemiałtowski M. [ summary ] 274

Placentitis in mares Kozdrowski R., Henklewski R., Biazik A., Gumienna J., Ryszka W., Pinkowska A. [ summary ] 280

Microbiological risk assessment – identification and characterization of a hazard Ziętek-Barszcz A., Miechowicz B., Stolarek A., Bocian Ł.,
Śmietanka K. [ summary ] 285

ORIGINAL PAPERS

Anti-pathogenic activity on the body surface of adult workers of Apis mellifera – in English Strachecka A., Borsuk G., Paleolog J., Olszewski K.,
Chobotow J. [ summary ] 290

Content of selected mineral elements in heifer hair depending on the region and season Cygan-Szczegielniak D., Stanek M., Giernatowska E.,
Janicki B., Gehrke M. [ summary ] 293

CASE REPORTS

Case of chronic progressive epididymitis in a European bison Czykier E., Bielecki W., Namiot Z., Dzięcioł J. [ summary ] 299

Lung lymphoma: A case study Jagielski D., Ostrzeszewicz M., Lechowski R. [ summary ] 303