TY - GEN AU - Potten,C S AU - Loeffler,M TI - Stem cells: attributes, cycles, spirals, pitfalls and uncertainties. Lessons for and from the crypt SN - 0950-1991 PY - 1991///0821 KW - Animals KW - Carcinogens KW - pharmacology KW - Cell Differentiation KW - physiology KW - Cell Division KW - Intestinal Neoplasms KW - pathology KW - Intestine, Small KW - cytology KW - Mammals KW - Stem Cells KW - drug effects N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review UR - https://doi.org/10.1242/dev.110.4.1001 ER -