Comment on

• Identification of the haematopoietic stem cell niche and control of the niche size.

  Zhang J, Niu C, Ye L, Huang H, He X, Tong WG, Ross J, Haug J, Johnson T, Feng JQ, Harris S, Wiedemann LM, Mishina Y, Li L. Zhang J, et al. Nature. 2003 Oct 23;425(6960):836-41. doi: 10.1038/nature02041. Nature. 2003. PMID: 14574412
• Osteoblastic cells regulate the haematopoietic stem cell niche.

  Calvi LM, Adams GB, Weibrecht KW, Weber JM, Olson DP, Knight MC, Martin RP, Schipani E, Divieti P, Bringhurst FR, Milner LA, Kronenberg HM, Scadden DT. Calvi LM, et al. Nature. 2003 Oct 23;425(6960):841-6. doi: 10.1038/nature02040. Nature. 2003. PMID: 14574413