background: infertility affects various aspects of personality and psychology, familial and career performances, and relationships. studies show that stress, anxiety, life dissatisfaction, and other psychological problems follow infertility . infertility issue, its tests and remedy are stressful and may lead to anxiety and depression and have destructive effects on couple relationships. objecti...

the prevalence of atrial fibrillation (af) is 1-2 % in the general population, and the risk of embolic stroke in af patients is 4-5 times higher than that in the general population. af-related strokes are often severe, and the rate of permanent disability is much higher among individuals who have af-related strokes than in those who have strokes unrelated to af. in patients with af, more than 9...

Variation in the normal eruption of teeth is a common finding, but significant deviation from established norms should alert the clinician to take some diagnostic procedures in order to evaluate patient health and development. Disturbance in tooth eruption time could be a symptom of general condition or indication of altered physiology and craniofacial development. The aim of this review is to ...

General sparse elimination is designed to take maximum advantage of the sparsity of an N ×N matrix A. Only the nonzeros of A are stored, along with some extra integer overhead to identify the nonzero matrix elements. This extra integer storage may be avoided for the triangular factors generated by an LDU decomposition, generally without increasing the order of complexity. In addition to permane...

The permanent-income hypothesis (PIH) of Milton Friedman (1957) states that the agent saves in anticipation of possible future declines in labor income (John Y. Campbell, 1987). He also saves for precautionary reasons, and dissaves because of impatience. To justify the PIH in an intertemporal optimization framework, it has been conventional to assume both (i) quadratic utility, to turn off prec...