Here’s a design for a split-flap clock that doesn’t do it the usual way. Instead of the flaps showing numbers , Klapklok has a bit more in common with flip-dot displays. Klapklok updates every ...

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