R, F. D., Gregory, F., Salome, C., Tatu, K., Amina, I., D, C. K., . . . G, S. J. A. (2006). Immunization coverage and risk factors for failure to immunize within the Expanded Programme on Immunization in Kenya after introduction of new <it>Haemophilus influenzae </it>type b and hepatitis b virus antigens. BMC.

R, Feikin Daniel, Fegan Gregory, Chiphatsi Salome, Kamau Tatu, Ismail Amina, Cowgill Karen D, Ndiritu Moses, Newton Charles RJC, a Scott J Anthony G. Immunization Coverage and Risk Factors for Failure to Immunize Within the Expanded Programme On Immunization in Kenya After Introduction of New <it>Haemophilus Influenzae </it>type B and Hepatitis B Virus Antigens. BMC, 2006.

R, Feikin Daniel, et al. Immunization Coverage and Risk Factors for Failure to Immunize Within the Expanded Programme On Immunization in Kenya After Introduction of New <it>Haemophilus Influenzae </it>type B and Hepatitis B Virus Antigens. BMC, 2006.