Investigating causal relations between sleep duration and risks of adverse pregnancy and perinatal outcomes: linear and nonlinear Mendelian randomization analyses

References: Yang, Q., Magnus, M.C., Kilpi, F. et al. Investigating causal relations between sleep duration and risks of adverse pregnancy and perinatal outcomes: linear and nonlinear Mendelian randomization analyses. BMC Med 20, 295 (2022). https://doi.org/10.1186/s12916-022-02494-y