Pressure effects of syringes

The Sterilization of Hypodermic Syringes

Syringes and syringomyelia.

The earliest description of cavities in the cord is generally ascribed to Charles Estienne (1504–c.1564) in La dissection des parties du corps humain... Paris, 1546. But the fi rst use of the term ‘syringomyelia’ was probably that of Charles P. Oliviers d’Anger in De la moelle épinière et ses maladies in 1824; in a later two-volume work he described: ‘Syringomyélie ou cavité centrale dans la mo...

Shielded safety syringes.

To the Editor: The results of the study, “Impact of a Shielded Safety Syringe on Needlestick Injuries Among Healthcare Workers,” in the June 1992 issue (1992;13:349353) are encouraging. Technology that keeps the worker’s hands behind the needle at all times and covers the needle after use should significantly lower the rate of needlestick injuries. However, we noted the following inconsistencie...

the effects of error correction methods on pronunciation accuracy

هدف از انجام این تحقیق مشخص کردن موثرترین متد اصلاح خطا بر روی دقت آهنگ و تاکید تلفظ کلمه در زبان انگلیسی بود. این تحقیق با پیاده کردن چهار متد ارائه اصلاح خطا در چهار گروه، سه گروه آزمایشی و یک گروه تحت کنترل، انجام شد که گروه های فوق الذکر شامل دانشجویان سطح بالای متوسط کتاب اول passages بودند. گروه اول شامل 15، دوم 14، سوم 15 و آخرین 16 دانشجو بودند. دوره مربوطه به مدت 10 هفته ادامه یافت و د...

the effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...