Lu and Steinhardt (Reports, 23 February 2007, p. 1106) claimed the discovery of a large, potentially quasi-crystalline Islamic tiling in the Darb-i Imam shrine but regard the earlier Maragha tiling, previously described as quasiperiodic, as a small isolated motif. We demonstrate that the Darb-i Imam pattern is periodic and that the quasi-crystalline discs superimposed on its lattice are derivat...

1. Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 2. Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran. 3. Department of Neurology, School of Medicine, Imam Khomeini Hospital and Iranian Center of Neurological Research, Tehran University of Medical Sciences, Tehran, Iran. 4. Electrophysiol...

conclusions in veterans' family, psychological health of the veterans and marital adjustment of the parents have a significant relationship with their children's quality of life and happiness. results global severity index (gsi) scores of veterans and veteran's age were inversely correlated with the scores of children's quality of life, while marital adjustment of parents and number of rooms in...

Professor, Department of Psychology, Faculty Education and University Isfahan, Iran.

Measurements of height and weight are important data source relating to growth and development, puberty, and nutritional status of children and adolescents. In clinical setting, the charts of the National Center for Health Statistics (NCHS), USA, are used in Iran. A survey identified significant differences in weight- and height-for-age across provinces, between urban and rural children. Althou...

background: every year millions of dollars are expended to equip and maintain the hospital sterilization centers, and our country is not an exception of this matter. according to this, it is important to use more effective technologies and methods in health system in order to reach more effectiveness and saving in costs. this study was conducted with the aim of evaluating the technology of regi...