title: A recurring question: are there health effects of power-frequency magnetic fields?
authors.forename: Michael G
authors.initials: MG
authors.lastname: Yost
authors.forename: James Bradford
authors.initials: JB
authors.lastname: Burch
mesh_terms: D001249:Asthma / Q000209:etiology*; D004574:Electromagnetic Fields / Q000009:adverse effects*; D005260:Female; D006801:Humans; D018811:Maternal Exposure / Q000009:adverse effects*; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects / Q000209:etiology*