The following guidelines reflect a collation of the evaluable medical literature about surgical abortion prior to 7 weeks of gestation. Early surgical abortion carries lower risks of morbidity and mortality than procedures performed later in gestation. Surgical abortion is safe, practicable and successful as early as 3 weeks from the start of last menses (no gestational sac visible on vaginal u...

In the present work, deoxidation and refining of 316LVM steel (Low carbon Vacuum Melted) during the vacuum induction melting process was studied. This grade of stainless steel is one of the most import...

poly (propylene fumarate) (ppf), a linear unsaturated polyester consisting of alternating propylene glycol and fumaric acid units, can be cured in vivo to fill the skeletal defects with minimal surgical intervention. many different methods have been reported for synthesizing ppf, but none of them gives a clear method. the present paper introduces two new methods in ppf synthesis: modified reflu...

fine needle aspiration (fna) technique is a well-known procedure in the diagnosis of various organ diseases. this study was conducted to evaluate the utility of fna in the dianosis of neck masses. fine needle aspiration was performed upon 123 patients with palpable nonthyroidal lesions at neck during a five-year period. in ten cases, fna findings were nondiagnostic. from the reminder 113 patien...

persian sturgeon (acipenser persicus) is one of the most important fish in caspian sea and demand for its fillets is considerable, study to improve the packaging and protect their quality during storage is necessary. in this study persian sturgeon fillets were packed under 30% vacuum then freezed and effect of this packaging method on decreasing and delaying lipid rancidity was studied by measu...

introduction:foreign body aspiration is usually a serious condition that is most common among the pediatric population, and rare in adults. in adults, aspiration may be tolerated for a long time.case reports:our first case is a 38-year-old man who presented with a 2-day history of swallowing a foreign body. he was completely asymptomatic. chest x-ray revealed the presence of 5-cm foreign object...

Background: Good cytological sample is very important for the cytological diagnosis of thyroid nodules. The aim of this study was to evaluate the adequacy of prepared samples by the combination of aspiration and non- aspiration fine needle biopsy. Methods: In this descriptive – analytical study, sampling was done simultaneously for each patient in fine needle aspiration and non-aspiration biops...