Acta Medica 47. (1990)
1990 / 1-2. szám
GASTROENTEROLOGY Gastric and colorectal cancer in the tropical part of Africa G.A. Bálint .............................................................................................................................................. 91 METABOLISM Porphyrins and nucleic acid in some photosensitive skin diseases M.M.H. El-Sharabasy, A.A. Heqazv, M.S. El-Soubky, M. Abd El-Maksoud ............................... 99 Activities of serum cathepsin (B, H and L) and metalloproteinase (NWP7-ase) in patients with gastrointestinal and bronchial malignant tumours Aranka László, I. Sohár, 5. Karácsonyi, A. Petri, I. Tróján .............................................. 107 BOOK REVIEWS ..................................................................................................................................................... Ill