1. Nonspecific Capsular Swelling in Pneumococci;Löfström;Acta Med. Scandinav. supplementum,1943
2. Comparison beetwen the reactions of acute phase serum with pneumococcus c-polysaccharide and with pneumococcus type 27;Löfström;British J. of Exper. Path. Febr.,1944
3. Serological Reactions in Pneumonia with a Non-Protein Somatic Fraction of Pneumococcus;Tillett;J. Exper. Med.,1930