title: Foreword: Childhood Leukemia and Primary Prevention.
authors.forename: Ruth A
authors.initials: RA
authors.lastname: Etzel
mesh_terms: D002648:Child; D004781:Environmental Exposure / Q000009:adverse effects / Q000517:prevention & control; D006801:Humans; D007938:Leukemia / Q000209:etiology / Q000517:prevention & control*; D011322:Primary Prevention / Q000379:methods*; D012307:Risk Factors