TY - JOUR TI - Chi-Square Tests with One Degree of Freedom; Extensions of the Mantel-Haenszel Procedure AU - Nathan Mantel JO - Journal of the American Statistical Association PY - 1963 VL - 58 IS - 303 DO - 10.1080/01621459.1963.10500879 UR - https://doi.org/10.1080/01621459.1963.10500879 ER -