Turner, A., Sasse, J., & Varadi, A. (2015). Development and validation of a high throughput, closed tube method for the determination of haemoglobin alpha gene (HBA1 and HBA2) numbers by gene ratio assay copy enumeration-PCR (GRACE-PCR). BMC Medical Genetics, 16, Article 115. https://doi.org/10.1186/s12881-015-0258-y