Meiosis is distinguished from mitosis by the way double-strand breaks are made and by the synapsis and segregation of homologous chromosomes. Recent studies with the yeast Saccharomyces cerevisiae have identified some of the key players that link homologous recombination to synaptonemal complex formation.

Appropriate authorship is one of the pillars of publication ethics. Substantive contributors listed as authors should be distinguished from those deserving acknowledgments. The updated recommendations of the International Committee of Medical Journal Editors (ICMJE) clearly define authorship and contributorship (1). The ICMJE document reflects on implications of the ethical assignment of author...

I have major concerns after reading the Pro/Con arguments presented by Drs. Phillips and Powell about the role of upper-airway surgery in the treatment of sleep apnea in the July issue of the Journal of Clinical Sleep Medicine 2005;1:236-45. Although I realize that the Pro/Con format encourages expressions of one’s opinions about the literature, these two presentations took the level of unscien...

background : since albumin imposes a relatively high cost to a healthcare system, drug use evaluation for this drug is much more important. this study wants to evaluate pattern of albumin use in a large university affiliated hospital in tehran, iran. methods : a concurrent, cross-sectional study was performed in “shaheed rajaei” cardiovascular, medical and research center. all inpatient adults ...

The syndrome of inappropriate antidiuretic hormone secretion (SIADH) results from the aberrant or sustained secretion of the antidiuretic hormone. Classic manifestations include water retention, hyponatremia, and hypo-osmolality of the serum. Treatment is aimed at differentiating SIADH from other causes of hyponatremia, determining the underlying disorder, and alleviating the excessive water re...

The Connectedness to Nature Scale (CNS) is used as a measure of the subjective cognitive connection between individuals and nature. However, to date, it has not been analyzed at the item level to confirm its quality. In the present study, we conduct such an analysis based on Item Response Theory. We employed data from previous studies using the Spanish-language version of the CNS, analyzing a s...