There are two types of economies of scale: internal and external economies of scale. Internal economies of scale are firm-specific—or caused internally—while external economies of scale occur ...

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

Donald Trump called politics a tough sport when he met with President Joe Biden in the Oval Office on Wednesday, but he thanked Biden for a smooth transition. 'You're welcome,' Biden replied.