f38746829b35780d2a5f6d9bc13c4fbd853869359b2de618759f06a8e67c0301  Van_der_Heijden_2021_Association_between_tobacco_use_and_symptomatology_in_individuals_at_ultra-high_risk_to_develop_a_psychosis_A_longitudinal_study_Schi_Res.pdf