نتایج جستجو برای: total n 0742
تعداد نتایج: 1676468 فیلتر نتایج به سال:
The total synthesis of the architecturally complex Daphniphyllum alkaloid (-)-calyciphylline N has been achieved. Highlights of the synthesis include a Et2AlCl-promoted, highly stereoselective, susbtrate-controlled intramolecular Diels-Alder reaction, a transannular enolate alkylation, an effective Stille carbonylation/Nazarov cyclization sequence, and a high-risk diastereoselective hydrogenati...
Abstract Introduction During the reproductive life, woman experiences changes in their hormone levels that characterize her menstrual cycle. This monthly event provides hormonal and body conditions to development of pregnancy lactation. In addition alterations hormones, some women present physical psychological complaints according phase Sleep has been reported be deteriorated during menses; ho...
BACKGROUND Aboriginal children experience challenges to their health and well-being, yet also have unique strengths. It has been difficult to accurately assess their health outcomes due to the lack of culturally relevant measures. The Aboriginal Children's Health and Well-Being Measure (ACHWM) was developed to address this gap. This paper describes the validity of the new measure. METHODS We ...
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