One can use the Leiden Rankings for grouping research universities by considering universities which are not significantly different as a homogeneous set. Such groupings reduce the complexity of the rankings without losing information. We pursue this classification using both statistical significance and effect sizes of differences among 902 universities in 54 countries; we focus on the UK, Ger...

N. T. Doan, M. J. Versluis, S. van Rooden, J. van der Grond, A. Webb, M. A. van Buchem, J. H. Reiber, and J. Milles LKEB Department of Radiology, Leiden University Medical Center, Leiden, Zuid Holland, Netherlands, CJ Gorter Center Department of Radiology, Leiden University Medical Center, Leiden, Zuid Holland, Netherlands, Department of Radiology, Leiden University Medical Center, Leiden, Zuid...

Dept.Human Genetics, Leiden University Medical Center, Leiden, the Netherlands. Dept. Epidemiology, Erasmus MC Rotterdam, the Netherlands. Institute of Cytology and Genetics SD RAS, Novosibirsk, Russia. Dept. of Internal Medicine, Erasmus Medical Center, Rotterdam, the Netherlands. Dept. Clinical Chemistry, Leiden University Medical Center, Leiden, the Netherlands. Dept. Internal Medicine, Leid...

Islam has a general principle of increase in population. But the Muslims are equally obliged to take care of health, education and the provisions etc. for their offspring and wives in the best possible way. The Muslims would have to regulate and manage the number of children, if any situation affects their duties regarding their wives or children. Islam accomplishes permissibility of temporary ...

a:4:{s:10:"Background";s:363:"The largest percentage of failed in vitro fertilization (IVF) cycles are due to lack of implantation. As hereditary thrombophilia can cause in placentation failure, it may have a role in recurrent IVF failure. The aim of this case-control study was to determine whether or not hereditary thrombophilia is more prevalent in women with recurrent IVF failures.";s:19:"Ma...

Political Islam, the book under review, contains eight sections; the first being introductory, the rest all with four articles each, under different themes, and captioned; Modern Understandings and Explanations of Islamism (section two), Political Islam, the State and Political Power (section three), Political Islam and Democracy (section four), Islamic Movements in Multicultural Settings (sect...

Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands; MEDCON International, Heemstede, The Netherlands; Department of Cardiology, University Heart Centre, University Hospital Zurich, Zurich, Switzerland; Department of Health Care Ethics and Health Law, Leiden University Medical Center, Leiden, The Netherlands; and Einthoven Laboratory for Experimental Vascular Med...