Canine gastric glycoprotein antigens in early carcinogenesisIlkka P. T. Häkkinen; Reijo Heinonen; Ulle Isberg; Osmo H. Järvi · 1984

Metastatic Calcification in Experimental Overdosage of Dihydrotachysterol in Rats : Effect of Tetracycline, DOCA and CortisoneIlkka P. T. Häkkinen · 1960