title: Childcare in the first 2 years of life reduces the risk of childhood acute lymphoblastic leukemia.
authors: M
authors: M
authors: Kamper-Jørgensen
authors: A
authors: A
authors: Woodward
authors: J
authors: J
authors: Wohlfahrt
authors: C S
authors: CS
authors: Benn
authors: J
authors: J
authors: Simonsen
authors: H
authors: H
authors: Hjalgrim
authors: K
authors: K
authors: Schmiegelow
mesh_terms: D000293:Adolescent; D000328:Adult; D016022:Case-Control Studies; D002648:Child; D002654:Child Care; D002675:Child, Preschool; D015331:Cohort Studies; D003718:Denmark / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000453:epidemiology / Q000235:genetics / Q000517:prevention & control*; D012042:Registries; D012307:Risk Factors