background the occult hepatitis b infection (obi) is defined as the presence of hepatitis b virus (hbv) dna in the sera or in the liver biopsy and the absence of hepatitis b surface antigen (hbsag) by serological test. objectives the current study aimed to evaluate the occult hbv infection by polymerase chain reaction (pcr) and determine hbv genotyping among the patients with abnormal alanine t...

glutamic oxaloacetic transaminase and glutamic pyruvic transaminase activities were measured in experimental thyroid rats. A significant decrease of adrenaline content was found in hyperthyroid group. This finding appears to signify in the explanation of increased responsiveness of the cardiovascular system to adrenaline in hyperthyroidism. Cholinesterase activity was increased in hyperthyroid ...