This paper extends previous work on family structure and children's education by conceptualizing migration as a distinct form of family disruption that reduces parental input but brings substantial economic benefits through remittances. It examines the multiple and countervailing effects of migration on schooling in the context of substantial migration and limited educational opportunities for ...

Robert Shaw, U.S. Postal Service 1 Richard Sigman and Laura Zayatz, U.S. Bureau of the Census 1 Laura Zayatz, U.S. Bureau of the Census, Washington, DC 20233 1. B A C K G R O U N D The U.S. Postal Service (USPS) conducts two nationwide surveys to continuously determine mail volumes and other mail characteristics by classes and subclasses of mail. Both surveys select samples on a quarterly basis...

Since its initial description, a number of studies have described the use of microvolt T-wave alternans (MTWA) as a predictor of the primary or secondary occurrence of ventricular arrhythmic events. These studies, however, have been limited by small sample sizes and disparate patient populations. Studies of MTWA in post-myocardial infarction (MI) patients are few in number, but hold predictive ...

Objectives Prospective data is required to clarify the role of a one night stay ward (23‐hour ward, 23HW) for the post‐operative monitoring of surgical patients with obstructive sleep apnoea (OSA). The aim was to use a modified American Society of Anesthesiologists (ASA) screening tool to stratify the perioperative risk of OSA related complications and evaluate the role of a 23HW in the post‐op...

The prediction of bleeding risk in cardiopulmonary bypass (CPB) patients plays a vital role in their postoperative management. Therefore, an artificial neural network (ANN) to analyze intra-operative laboratory data to predict postoperative bleeding was set up. The JustNN software (Neural Planner Software, Cheshire, England) was used. This ANN was trained using 15 intra-operative laboratory par...

the dormancy characteristics and optimum conditions for seed germination of alstroemeria ligtu had not been explained. in vitro and in vivo alstroemeria (a. ligtu hybrid) seed germination tests were conducted in a randomized completely design at two different treatments (gibberellic acid (ga3) 0, 100, 200 and 400 mg/l with and without stratification in 5±1oc) in four replications. seeds were pl...

background: dams are one of the most important manmade buildings to provide of drinking water. in order to manage of water quality in dams reservoirs, the recognition of phenomena that occurred in it is essential. thermal stratification is one of the major problems that decrease the water quality of dam. the aim of this study was to investigate thermal stratification of ekbatan dam (hamadan) as...

BACKGROUND In the treatment of lung cancer, an accurate estimation of patient clinical outcome is essential for choosing an appropriate course of therapy. It is important to develop a prognostic stratification model which combines clinical, pathological and demographic factors for individualized clinical decision making. METHODOLOGY/PRINCIPAL FINDINGS A total of 234,412 patients diagnosed wit...