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background the impact factor (if), as the most important criterion for journal’s quality measurement, is affected by the self-citation and number of publications in each journal. objectives to find out the relationship between the number of publications and self-citations in a journal, and their correlations with if. materials and methods self-citations and impact factors of nine top gastroente...

background: the purpose of this study was to detect the prevalence of ghost and honorary authors and its determinant factors in bio-medical journals of iran. methods: the study was done in 2009-10 in tehran, kerman, and iran medical universities, iran.  we contacted the first or corresponding authors of the papers had published papers in the recent two issues of iranian journal of public health...

background: the aim of this study was to present epidemiological aspects of malignant tumor of head and neck in southeast of iran, with a view toward analyzing the age, gender, site distribution and histological types.  methods: all cases with malignant tumor of the head and neck region from 1999 to 2009 were retrieved from the records of cancer registry center of kerman university of medical s...

This issue of the Journal of Hematopathology contains a series of commentaries written by the editors of the journal. In these commentaries the changes in the previous classification are discussed, including some background information. Regarding some entities, criticism is put forward on some of the choices of the WHO-editorial team. This shows that the WHO-classification is work in progress, ...

three nearly simultaneous events around the end of the 19th century, i.e., the discovery of x‐rays by roentgen in 1895, natural radioactivity by antoine‐henri becquerel in 1896 and isolation of radium by the curies' in 1898 opened the nuclear era which has changed broadly the worlds of physics, biology and medicine. at the close of the 20th century, fundamental discoveries in biology at mo...

Editor’s Note.—Everyone who has taken the course in radiologic pathology at the Armed Forces Institute of Pathology (AFIP) remembers bringing two beautifully illustrated cases for accession to the Institute. In recent years, the staff of the Department of Radiologic Pathology has judged the “best cases” by organ system, and recognition is given to the winners on the last day of the class. Begin...