@article{Flegel_2020, place={Pavia, Italy}, title={COVID-19: risk of infection is high, independently of ABO blood group}, volume={105}, url={https://haematologica.org/article/view/10094}, DOI={10.3324/haematol.2020.266593}, number={12}, journal={Haematologica}, author={Flegel, Willy Albert}, year={2020}, month={Dec.}, pages={2706-2708} }