{Reference Type}: Journal Article {Title}: Counting blood precursors. {Author}: Duchamp de Chastaigne S;Sawai CM; {Journal}: Elife {Volume}: 13 {Issue}: 0 {Year}: 2024 Jul 17 {Factor}: 8.713 {DOI}: 10.7554/eLife.100373 {Abstract}: A new mathematical model can estimate the number of precursor cells that contribute to regenerating blood cells in mice.