- Quantitative real time polymerase chain reaction for measurement of human interleukin-5 receptor alpha spliced isoforms mRNA. Pérez, C., Vandesompele, J., Vandenbroucke, I., Holtappels, G., Speleman, F., Gevaert, P., Van Cauwenberge, P., Bachert, C. BMC Biotechnol. (2003)