Cox SE, Soka D, Kirkham FJ, Newton CRJ, Prentice AM, Makani J, Younoszai AK. Tricuspid regurgitant jet velocity and hospitalization in Tanzanian children with sickle cell anemia. Haematologica 2014; 99(1):e1-e4; https://doi.org/10.3324/haematol.2013.089235.