Johanna Mahr

Mutational activation of the c-Ha-ras gene in liver tumors of different rodent strains: correlation with susceptibility to hepatocarcinogenesis.

Albrecht Buchmann, R. Bauer-Hofmann, Johanna Mahr et al. · Proceedings of the National Academy of Sciences · 1991 · 158 citations

Medicine, Genetics, Molecular Genetics +17

Mutations at codon 61 of the Ha‐<i>ras</i> proto‐oncogene in precancerous liver lesions of the B6C3F1 mouse

Albrecht Buchmann, Johanna Mahr, R. Bauer-Hofmann et al. · Molecular Carcinogenesis · 1989 · 42 citations

Medicine, Genetics, Oncology +12

The tumour promoters dieldrin and phenobarbital increase the frequency of c-Ha-<i>ras</i> wild-type, but not of c-Ha-<i>ras</i> mutated focal liver lesions in male C3H/He mice

R. Bauer-Hofmann, Albrecht Buchmann, Johanna Mahr et al. · Carcinogenesis · 1992 · 26 citations

Medicine, Genetics, Oncology +17

Nutrition education for illiterate children in southern Madagascar – addressing their needs, perceptions and capabilities

Johanna Mahr, Marzella Wuestefeld, Joep ten Haaf et al. · Public Health Nutrition · 2005 · 19 citations · Full text

Agriculture, Health Education, Nutrition +9

Tumor Promotion in Liver of Mice with a Conditional Cx26 Knockout

Philip Marx‐Stoelting, Johanna Mahr, Thomas Knorpp et al. · Toxicological Sciences · 2008 · 16 citations

Medicine, Oncology, Pharmacology +13