Pierce Brown underwent surgery Sunday to repair a broken vertebra suffered in a Lap 6 crash in the Monster Energy 250 East Supercross opener. The timeline for his return has not yet been determined.

Comparison of laparoscopic radiofrequency ablation with percutaneous radiofrequency ablation in the treatment of chronic hepatitis B-related hepatocellular carcinoma involving specific sites: A ...

Correspondence to Dr John Harvey, North Bristol Lung Centre, Southmead Hospital, Bristol BS10 5NB, UK; john.harvey{at}nbt.nhs.uk Secondary pneumothorax (SSP) is associated with underlying lung disease ...