@misc{indiciaec9de7ebc1282, title = {Nitrosomethylurea (MNU): a powerful carcinogen for mouse skin. A study utilising the tetrazolium test (TZT) and topical skin applications.}, author = {O H Iversen}, year = {1979}, doi = {10.1007/bf02889114}, url = {https://pubmed.ncbi.nlm.nih.gov/43013/}, note = {Source identifier: 43013} }