Hernáez, Á, Fraser, A, Wootton, R E, Lawlor, D A, Magnus, M C & Page, C M 2022, ' Smoking and infertility : multivariable regression and Mendelian randomization analyses in the Norwegian Mother, Father and Child Cohort Study ', Fertility and Sterility, vol. 118, no. 1, pp. 180-190 . https://doi.org/10.1016/j.fertnstert.2022.04.001 Fertility and Sterility Fertility & Sterility