<正>Objective: To study the relationship of the mutation of HBV preS/S gene in HBsAg carrying pregnant women and intrauterine transmission. Methods: Polymerase
Objective: To introduce a method to calculate cardiovascular age, a new, accurate and much simpler index for assessing cardiovascular autonomic regulatory funct
Objective: To investigate the re1αtion between Shp-2 (a cytop1αsmic tyrosine phosphotase) and matrix metalloproteinase-1 (MMP-1) in the migration of mouse emb
"Field" is a universal phenomenon existing in both nature and society,and determines the existence and significance of all materials or information.The man bein
Objective: To sum up 121 cases of heart disease operations with the help of thoracoscope from May to August in 2000. Among these cases, 48 cases were atrial sep