Background: The Lori-Bakhtiari sheep breed is one of the most common native breed in the south-western parts of Iran. The peri-parturition period (2 weeks before to, 2 weeks after parturition), is generally of critical importance regarding the health, production and profitability of the ewes. OBJECTIVES: This study was carried out to compare the serum concentrations of glucose, non-esterified f...

AIM: To study the management of second twin and its perinatal outcome in comparison with first twin in Modern Govt. Maternity Hospital. OBJECTIVES: The present study has been undertaken to study the influence of following factors on the perinatal outcome of second twin in comparison with first twin: Chorionicity, Gestational age. Presentation of twins, Mode of delivery, Birth weight, Birth inte...

A crystallographic study using a four-circle diffractometer was carried out on a twin system observed in chalcopyrite-type AgGaS2 crystals grown by the Bridgman technique. The twin components have (112) planes in common, and coincide with each other in the direction of the atomic arrangement. The twin system is essentially a glide-twin characterized by successive glides of atomic layers paralle...

In this paper, we investigate various kinds of extensions of twin-good rings. Moreover, we prove that every element of an abelian neat ring R is twin-good if and only if R has no factor ring isomorphic to‌ Z2  or Z3. The main result of [24] states some conditions that any right self-injective ring R is twin-good. We extend this result to any regular Baer ring R by proving that every elemen...

PURPOSE To examine the importance of genetic factors in age-related macular degeneration by using a twin study to compare the concordance of age-related macular degeneration in monozygotic twin pairs and their spouses. METHODS This was a prospective study that included 50 twin pairs and 47 spouses. Zygosity was determined by genetic laboratory testing. Macular findings were graded based on th...