Objective:The aim of this study was to evaluate the value of contrast-enhanced ultrasound (CEUS) for blood perfusion of primary liver cancer (PHC) and investiga
A resistant strain selected successively in the laboratory for 17 generations had 198.63-fold resistance to methamidophos.The resistant levels and fitness of pr
Sixty growing pigs (Landrace × Jiaxing black) were used to study the effects of exogenous enzymes (including β -glucanase,xylanase and cellulase) supplemented