1. Overview of study and test chemical activities;Ashby,1981
2. Evaluation of Short-Term Tests for Carcinogens;de Serres,1981
3. The mammalian spot test: a sensitive in vivo method for the detection of genetic alterations in somatic cells of mice;Fahrig,1978
4. How should times during pregnancy be called in teratology?;Kalter;Teratology,1968