Complex sentence: They looked at 313,445 entries in the medical register from the General Medical Council, and identified surnames that were apt for the speciality, for example, Limb for an orthopaedic surgeon, and Doctor for medicine in general.
Split into simpler sentences: They looked at 313,445 entries in the medical register from the General Medical Council. They identified surnames that were apt for the speciality, for example, Limb for an orthopaedic surgeon, and Doctor for medicine in general.