title: Selection bias potentially overestimates risk of breast pain from radiotherapy.
authors.forename: Robert Anton
authors.initials: RA
authors.lastname: Olson
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D006801:Humans; D010146:Pain / Q000150:complications*; D011832:Radiation Injuries / Q000150:complications; D011878:Radiotherapy / Q000009:adverse effects*; D012307:Risk Factors; D015983:Selection Bias; D013997:Time Factors