نتایج جستجو برای: controlled trial
تعداد نتایج: 589078 فیلتر نتایج به سال:
Background: To ascertain whether using ultrasound guidance during intrauterine insemination (IUI) could increase pregnancy rates. Materials and Methods: The population under study consisted of 73 consecutive couples subjected to IUI in our Human Reproduction Unit, between September and December 2006, with a total of 231 IUI cycles performed. The patients were randomized using a computer-generat...
Background: Administration of albumin for burn patients and its effects on mortality and morbidity has been debated for along time. The aim of this study was to evaluate the effects of albumin administration on wound healing, length of hospital stay, weight change, and mortality of burn patients. Methods: Two matched groups of patients from Shiraz Burn Care Center were randomly selected. The pa...
Zinc deficiency during pregnancy has been related to adverse pregnancy outcomes. However, the results of zinc-supplementation trials have not been consistent in improvement of pregnancies outcomes. This study was undertaken to investigate whether zinc supplementation was associated with pregnancy complications in Iranian women during the last 2 trimesters. It also assessed the anthropometric me...
Background: The primary aim of this study was to determine predictors of missed research appointments in a prospective andomized placebo injection-controlled trial with evaluations 1 to 3 and 5 to 8 months after enrollment. Methods: This study represents a secondary use of data from 104 patients that were enrolled in a prospective randomized ontrolled trial of dexamethasone versus lidocai...
this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...
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