Question: What is this disease related to abnormality in the oxygen-carrying protein haemoglobin that Chukwuedu Nwokolo is carrying out research on?
Sentence (from "Chukwuedu Nwokolo"): Chukwuedu Nathaniel II Nwokolo (19 April 1921 – 18 May 2014) was an internationally distinguished tropical diseases, nutrition, human, medical, biological and life sciences expert; plus research scientist, scholar, pioneer medical doctor, author, humanitarian and acclaimed professor of medicine.
Relevant evidence: No