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Income level and regional policies, underlying factors associated with unwarranted variations in conservative breast cancer surgery in Spain.
Ridao-López M, García-Armesto S, Abadía-Taira MB, Peiró-Moreno S, Bernal-Delgado E Income level and regional policies, underlying factors associated with unwarranted variations in conservative breast cancer surgery in Spain. BMC Cancer 2011, 11:145 doi:10.1186/1471-2407-11-145