@article{article, title = {{What is a polymorphism? [letter; comment]}}, publisher = {{American Society of Hematology}}, url = {{}}, year = {{1991}}, month = {{1}}, author = {{Peake I and Winship P}}, doi = {{10.1182/blood.v78.1.250.bloodjournal781250}}, volume = {{78}}, journal = {{Blood}}, issue = {{1}}, pages = {{250-250}}, note = {{Accessed on 2025/04/04}}}