May 8, 2007 — The US Food and Drug Administration (FDA) has granted premarket approval (PMA) for ACUITY Steerable Lead Models 4554, 4555, and 4556 for use with pacemakers, 510(k) clearance for ...

A study published in Eurosurveillance has found evidence of substantial lifetime exposure to hepatitis B and C viruses in Ukraine in a 2021 nationwide, representative sample of the population, with ...

Latent HBV infection was determined by the presence of antibodies to hepatitis B core antigen (anti-HBc). There were 237 cases of HCC, which occurred in 94 (16.3%) of 576 patients with chronic ...