Abstracts. General pathology and bacteriology. Collier. Experimental tumor therapy. (Zschr. F. Hygiene. 1929, Bd. 110, H. 2). While plumbum tannicum, oxalicum, citricum had a weak effect on experimental tumors in mice, plumbum formicum cured the process in about 1/3 of cases, and in 2/3 there was a clear inhibitory effect.