background many factors effect on management (surgical and nonsurgical) of adolescent idiopathic scoliosis (ais). objectives the purpose of this study was evaluation of the effects of generalized ligamentous laxity (gll) on surgical treatment of ais. materials and methods 72 patients with ais were studied between 2002 and 2009. 24 cases (33.4%) were placed in group a (normal) while 48 patients ...

Since the earliest studies of social behavior in spiders, their social structure has often bee n compared with that of social insects . A preliminary conclusion was that the degree of evolution o f spider societies was significantly lower than that found in insects . However, we wonder if the problem has been correctly posed . In light of Wilson's and Michener's works, enriched by those of the ...

In the intensive care setting, ultrasound guided venous cannulation has now become an essential procedure for critically ill patients, however it has risks inherent to its insertion as well as permanence. To reduce risks related to insertion, the applicability of ultrasonography to aid insertion of a central and peripheral venous catheter will be discussed. This is a technology available in our...