His father was heterozygous for both Hb E and PK deficiency, his mother was heterozygous for PK deficiency and his elder sister had Hb E trait but normal red blood cell PK activity.9 On re ...

Blood testing forms the basis of 70% of all medical decisions made by physicians, and according to prior research can have a failure rate of 27% in people without visible veins and up to 60% in ...