Peyre, H., Charkaluk, M., Forhan, A., Heude, B. & Ramus, F. (2017). Do developmental milestones at 4, 8, 12 and 24 months predict IQ at 5–6 years old? Results of the EDEN mother–child cohort. European Journal of Paediatric Neurology, 21(2), 272-279. doi:10.1016/j.ejpn.2016.11.001