Data Views Total Uses: 22 CSV Excel PDF Previous12 Show all rows. Paginate rows. Click on column headings to sort table by that column Use Country/Region All countries ... Dutch Elsewhere French German Spanish US Reference Tumor US Hartwell, J.L. 1967-71. Plants used against cancer. A survey. Lloydia 30-34. Venereal US Krochmal, Arnold and Connie. 1973. A guide to the medicinal plants of the United States. Quadrangle/The N.Y. Times Book Co.