1. Friedenstein AJ, Chailakhyan RK, Gerasimov UV. Bone marrow osteogenic stem cells: in vitro cultivation and transplantation in diffusion chambers. Cell Tissue Kinet 1987;20:263-272.2. Bianco P. Stem cells and bone: a historical perspective. Bone 2015;70:2-9.3. Cattaneo E, Corbellini G. Stem cells: taking a stand against pseudoscience. Nature 2014;510:333-335.4. Ambrosi TH, Longaker MT, Chan CKF. A revised perspective of skeletal stem cell biology. Front Cell Dev Biol 2019;7:189.5. Owen M, Friedenstein AJ. Stromal stem cells: marrow-derived osteogenic precursors. Ciba Found Symp 1988;136:42-60.6. Aubin JE, Triffitt JT. Chapter 4 - Mesenchymal stem cells and osteoblast differentiation. In: Bilezikian JP, Raisz LG, Rodan GA, editors. Principles of bone biology, 2nd ed. San Diego: Academic Press; 2002. p. 59-81.7. Robey P. “Mesenchymal stem cells”: fact or fiction, and implications in their therapeutic use. F1000Res 2017;6:F1000 Faculty Rev-1524.8. Caplan AI. Medicinal signalling cells: they work, so use them. Nature 2019;566:39.9. Urist MR, Hay PH, Dubuc F, Buring K. Osteogenetic competence. Clin Orthop Relat Res 1969;64:194-220.10. Takahashi K, Yamanaka S. Induction of pluripotent stem cells from mouse embryonic and adult fibroblast cultures by defined factors. Cell 2006;126:663-676.11. Schofield R. The relationship between the spleen colony-forming cell and the haemopoietic stem cell. Blood Cells 1978;4:7-25.12. Lajtha L. Cellular kinetics of haemopoiesis. In: Hardisty RM, Weatherall DJ, editors. Blood and its disorders, 2nd ed. Oxford: Blackwell Scientific Publications; 1982. p. 57-74.13. Kurenkova AD, Medvedeva EV, Newton PT, Chagin AS. Niches for skeletal stem cells of mesenchymal origin. Front Cell Dev Biol 2020;8:592.14. Bingham GC, Lee F, Naba A, Barker TH. Spatial-omics: Novel approaches to probe cell heterogeneity and extracellular matrix biology. Matrix Biol 2020;91-92:152-166.15. Lundberg E, Borner GHH. Spatial proteomics: a powerful discovery tool for cell biology. Nat Rev Mol Cell Biol 2019;20:285-302.