Missing data and especially dropouts frequently arise in longitudinal data. Maximum likelihood estimates are consistent when data are missing at random (MAR) but, as this assumption is no...
来源:《The international journal of biostatistics》 2008 年 4卷 1期
The degenerate ligand exchange in [M(CH(3))](+)/CH(4) couples occurs in the gas phase at room temperature for M=Ni, Ru, Rh, Pd, and Pt, whereas the complexes containing Fe and Co are unre...
来源:《Chemistry (Weinheim an der Bergstrasse, Germany)》 2008 年 14卷 17期
Hormonal factors are implicated in tumor progression and it is possible that factors influencing breast cancer induction could affect prognosis. Our study investigated the effects of mens...
Destruction of transplanted kidneys through chronic allograft nephropathy [CAN], also known as chronic rejection, is the greatest obstacle in successful kidney transplantation. Causes beh...
Cyclopropenylidenes are Hückel aromatic pi systems in which one of the ring atoms is a carbene center. Quantum chemical calculations at the density functional level of theory, supplemente...
来源:《Chemistry (Weinheim an der Bergstrasse, Germany)》 2008 年 14卷 15期
The aims of this study were to evaluate whether there is a correlation between protein level in urine and renal morphology in kidney transplant donors, as well as to detect the role of el...
It has been known that contrast medium may cause contrast-induced nephropathy in risk groups. This study sought to establish possible effects of ionic high-osmolar contrast medium adminis...
This is the first phytochemical study of Eupatorium macrocephalum describing the isolation and identification of six triterpenes, one diterpene glycoside ester, six steroids, one flavonoi...
Many cancer screening trials involve a screening programme of one or more screenings with follow-up after the last screening. Usually a maximum follow-up time is selected in advance. Howe...
This study assessed the factor structure, internal consistency, and discriminatory validity of the World Health Organization Disability Assessment Schedule (WHODAS) version used in the Eu...
来源:《International journal of methods in psychiatric research》 2008 年 17卷 4期