Monica S.Y. Ng, Michael David, Rutger A. Middelburg, Angela S.Y. Ng, Jacky Y. Suen, John-Paul Tung and John F. Fraser (2018) “Transfusion of packed red blood cells at the end of shelf life is associated with increased risk of mortality – a pooled patient data analysis of 16 observational trials”, Haematologica. Pavia, Italy, 103(9), pp. 1542-1548. doi: 10.3324/haematol.2018.191932.