References
- Olow I. Antikatarrvaccinationen i praxis. — Nord. Med. 1952; 41: 1428
- Smith A., Peterson C. M. The Use of Vaccines for Common Cold. Status Report. J. A. M. A. 1944; 126: 895
- Topley, Wilson. Principles of Bacteriology and Immunity. Third Edition, G. S. Wilson, A. A. Miles. Edward Arnold & Co., London 1947; II: 1653