U. Piening

Platelet aggregation and aggregation inhibition by different antiglobulins and antiglobulin complexes from sera of patients with rheumatoid arthritis.

H. Deicher, P. Fricke, P. Fink, 1979, Arthritis and rheumatism.

Microstructure of the Surfaces of Carbonized and Non-Carbonized Grains of Cereals as Observed in Scanning Electron and Light Microscopes as an Additional Aid in Determining Prehistoric Findings

U. Körber-Grohne, U. Piening, 1980 .