Diagnosis of invasive pneumococcal disease among children in Kenya with enzyme-linked immunosorbent assay for immunoglobulin G antibodies to pneumococcal surface adhesin A.Mlacha Z, Nyiro J, Njenga S, Lewa P, Obiero J, Otieno H, Sampson JS, Carlone GM
Clin Diagn Lab Immunol, (2005). 12:1195-201

Effects of sample collection and storage methods on antipneumococcal immunoglobulin A in saliva.Nurkka A, Obiero J, Kayhty H
Clin Diagn Lab Immunol, (2003). 10:357-61

Validation of immune-complex enzyme immunoassays for diagnosis of pneumococcal pneumonia among adults in Kenya.Hall AJ, Leinonen M
Clin Diagn Lab Immunol, (2000). 7:64-7