1. De Blanche M. A. Wasas and K. Klugman. Unpublished data.
2. Difco Laboratories
Difco Manual
10th ed.
1984
Difco Laboratories
Detroit Mich
3. The use of eggs as a medium for the cultivation of Bacillus tuberculosis;Dorset M.;Am. Med.,1902
4. The magnitude of mortality from acute respiratory infections in children under 5 years in developing countries;Garenne M.;World Health Stat. Q.,1992
5. Development of CABS, a storage and transport medium for Haemophilus influenzae and Streptococcus pneumoniae;Gratten M.;Austral. Microbiol.,1996