@article{econhot_econhot-cited-db5a939739c700b5, title = {Tests for Linear Trends in Proportions and Frequencies}, author = {P. Armitage}, journal = {Biometrics}, year = {1955}, volume = {11}, number = {3}, pages = {375}, doi = {10.2307/3001775}, url = {https://doi.org/10.2307/3001775} }