Corrections and Clarifications

Erratum

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Science  02 Jun 1989:
Vol. 244, Issue 4908, pp. 1030
DOI: 10.1126/science.244.4908.1030-d

Abstract

In the the caption of figure 2 on page 59 of the Research Article "Purification and characterization of mouse hematopoietic stem cells" by G. J. Spangrude et al. (1 July 1988, p. 58), the last sentence should have begun, "By linear regression analysis, one splenic colony was formed per ten hematopoietic stem cells transferred [frequency = 0.095 ± 0.08 (SD)].". . . In the same article, the fourth sentence of the last paragraph on page 60 should have read, "In contrast, transfer of as many as 900 Thy-110 Lin-Sca-1-cells did not save the mice".