Density|functional theory (DFT) approach of B3LYP/6|31G+* has been employed to calculate the six possible configurations of ammonium cation|benzene complex (NH+
Ever since China opened up to the outside world in 1978, it has been a major trading nation thanks to social and economic reforms. The process has turned China
Objective: To study the vascular patterns of ovarian tumors by color Doppler imaging (CDI) and compare the findings of conventional sonographic studies and CDI