El Marroun, H.

cannabi cannabis use pregnancy study exposure cannabis exposure women effect child tobacco problem children association growth development chapter tobacco use mother generation r study month substance information outcome urine foetal sample 1.0 table substance use behavior *** birth generation group alcohol result cohort education offspring marijuana reference weight self-report psychopathology analyses finding birth weight 30 months characteristic score model externalizing problems behaviour foetal growth level determinant factor externalizing steegers ea variable urine samples research report blood urinalysi population fetus origin health index verhulst fc father brain cannabinoid analysis teratol self-reported parent neurotoxicol tiemeier h