Quantitative analysis of bone marrow fibrosis highlights heterogeneity in myelofibrosis and augments histological assessment: an insight from a phase II clinical study of zinpentra... by Ryou, H, Sirinukunwattana, K, Wood, R, Aberdeen, A, Rittscher, J, Weinberg, OK, Hasserjian, R, Pozdnyakova, O, Peale, F, Higgins, B, Lundberg, P, Trunzer, K, Harrison, CN, Royston, D