1. Studies on the effect of urethane, selenocystine and sodium monohydrogenarsenate on crossing over in the X-chromosome of Drosophila melanogaster;Ahmed;Can. J. Genet. Cytol.,1972
2. Recherche expérimentale sur la spina bifida;Ancel;Arch. Anat. Microsc. Morphol. Exp.,1946
3. Evaluation of herbicides for possible mutagenic properties;Andersen;J. Agr. Food Chem.,1972
4. Arsenic exposure and mortality: a case-referent study from a Swedish copper smelter;Axelson;Br. J. Ind. Med.,1978
5. Cancer y arsenicismo regional endemico en Cordoba;Arguello;Rev. Argent. Dermatosifilol.,1938