title: Letter: Risks of repeated immunization.
mesh_terms: D000293:Adolescent; D004165:Diphtheria / Q000276:immunology; D005260:Female; D006801:Humans; D007114:Immunization / Q000009:adverse effects*; D008180:Lupus Erythematosus, Systemic / Q000209:etiology*; D008297:Male; D012882:Skin Tests