TY - GEN AU - Kirkland,D J AU - Clements,J TI - Response by the authors of 'Recommendations for spacing of test chemical concentrations in the mouse lymphoma tk mutation essay (MLA)' SN - 0027-5107 PY - 1998///1215 KW - Animals KW - Lymphoma KW - Mice KW - Mutagenicity Tests KW - methods KW - Thymidine Kinase KW - genetics N1 - Publication Type: Comment; Letter ER -