1.
Oliveira NF de, Santana VS, Lopes AA. Ratio of proportions and the use of the delta method for confidence interval estimation in logistic regression . Rev. saúde pública [Internet]. 1997 Feb. 1 [cited 2024 Jul. 23];31(1):90-9. Available from: https://periodicos.usp.br/rsp/article/view/24252