Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 39841-39860 of 98852
-
(2008)Premature thelarche is a benign condition, which has been described as a "variant of puberty". Early breast development is especially prevalent during the first year of life, when the gonadal axis is usually active. ...
-
(2004)A variety of animals that communicate by sound emit signals from sites favoring their propagation, thereby increasing the range over which these sounds convey information. A different significance of calling sites has been ...
-
(Sociedad Medica de Santiago, 2007)Background: Wheat flour in Chile is fortified with folic acid and pregnant women are also supplemented with the vitamin, but the population level of knowledge or awareness about this vitamin and its use by pregnant women ...
-
(2007)Background: Gynecomastia is treated when it is painful, there are psychosocial repercussions or it does not revert in less tan two years. It is treated with the antiestrogenic drug tamoxifen, but there are doubts about its ...
-
(2004)The current Chilean population originated from admixture between aboriginal populations (Amerindians) and Spanish conquerors of European origin. Consequently, the unions that gave rise to the Chilean population were chiefly ...
-
(2007)Background: Rates of obesity reach high levels in Chile, with geographic, social and school variations. Aim: To identify factors at two levels associated with excessive weight in school children: child-family characteristics ...
-
(2004)Our objective was to report on two new chest X-ray signs (hyperinflation or obstructive emphysema with atelectasis in the same hemithorax, and aeration within an area of atelectasis) in children with foreign-body aspiration ...
-
(2004)Production of nitric oxide (NO) by glial cells has been proposed to mediate cytotoxic effects on neighboring neurons. Although extensive genetic data implicate the beta amyloid peptide (Aβ) in the neurodegenerative cascade ...
-
(2008)Background: Oral contraceptives were introduced almost 50 years ago, and over 100 million women currently use them. Oral contraceptives can reduce the risk of ovarian cancer, but the eventual public-health effects of this ...
-
(Oxford University Press, 2008)BACKGROUND: Gene expression profiling of normal receptive endometrium has been characterized, but intrinsic defects in endometrial gene expression associated with implantation failure have not been reported. METHODS: Women ...
-
(2007)Background: Laparoscopic sleeve gastrectomy (LSG) has been introduced as a multipurpose restrictive procedure for obese patients. Variations of the surgical technique would be important for the late results. Methods: 50 ...
-
(2007)Objectives. To better understand how diabetes care and control are being administered by general practitioners/nonspecialists in private practice in nine countries of Latin America, and to identify the most significant ...
-
(2008)Aims: Activin receptor-like kinase (ALK)1 is a transforming growth factor (TGF)-β type I membrane receptor restricted almost entirely to endothelial cells (ECs) and involved in vascular remodelling and angiogenesis. Previous ...
-
Latin-American Consensus on Chronic Constipation Consenso Latinoamericano de Estreñimiento Crónico (Ediciones Doyma, S.L., 2008)The Latin-American Consensus on Chronic Constipation aimed to establish guidelines to improve the identification, diagnosis and treatment of this disorder in the region. Two coordinators and an honorary coordinator established ...
-
(Sociedad de Biologia de Chile, 2007)Hematological parameters of birds and mammals seem to respond to environmental requirements, such as hypoxia at high altitude and the energetic demands of locomotion and flight. In this work we hypothesize that lung capillary ...
-
(Ediciones Doyma, S.L., 2008)Background: Although thousands of infants under the age of 12 months die each year from pneumonia in Latin America, little is known regarding the true occurrence of pneumonia, wheezing and other related respiratory illnesses ...
-
(2008)Purpose: To report our experience with congenital inferior vena cava (IVC) anomalies found during laparoscopic retroperitoneal lymph node dissection (LRPLND). Patients and Methods: Two men with a mean age of 31.5 years ...
-
(2007)In several species of carnivorous fishes, as they grow, body size and that of the mouth are related positively with prey size, however, the number and biomass of preys consumed by the fish don't present such a clear pattern. ...
-
(2007)Various studies have focused in the relative contribution of different voltage-activated Ca2+ channels (VACC) to total transmitter release. However, how Ca2+ entry through a given VACC subtype defines the pattern of ...
-
Childhood environment and atopic conditions, with emphasis on asthma in a Chilean agricultural area (2008)Background. An explanation of the etiology of atopic conditions based on the hygiene hypothesis remains controversial. Objective. To analyze exposure variables in childhood to assess their impact on hay fever, asthma, and ...
