Bassey, B. E., Braka, F., Vaz, R. G., Komakech, W., Maleghemi, S. T., Koko, R., . . . Okocha-Ejeko, A. (2018). The global switch from trivalent oral polio vaccine (tOPV) to bivalent oral polio vaccine (bOPV): Facts, experiences and lessons learned from the south-south zone; Nigeria, April 2016. BMC Infect Dis.
Citação norma ChicagoBassey, Bassey Enya, et al. "The Global Switch From Trivalent Oral Polio Vaccine (tOPV) to Bivalent Oral Polio Vaccine (bOPV): Facts, Experiences and Lessons Learned From the South-south Zone; Nigeria, April 2016." BMC Infect Dis 2018.
MLA citiranjeBassey, Bassey Enya, et al. "The Global Switch From Trivalent Oral Polio Vaccine (tOPV) to Bivalent Oral Polio Vaccine (bOPV): Facts, Experiences and Lessons Learned From the South-south Zone; Nigeria, April 2016." BMC Infect Dis 2018.