BACKGROUND The number of retracted scientific publications has risen sharply, but it is unclear whether this reflects an increase in publication of flawed articles or an increase in the rate at which flawed articles are withdrawn. METHODS AND FINDINGS We examined the interval between publication and retraction for 2,047 retracted articles indexed in PubMed. Time-to-retraction (from publicatio...

purpose: to report clinical features, types, and results of surgery for duane’s retraction syndrome (drs). methods: this is an existing data study on the records of patients with drs. the study was conducted on the hospital records of patients who were referred for drs to a tertiacy eye center in tehran, iran during 8 years. the follow-up period after the surgery was at least 6 months. results:...

filariasis in dogs is caused by several species of filariids. because of importance of this infection in veterinary medicine and public health, it is necessary to carry out an epidemiological and cross sectional studies in various geographical areas and use of well-adapted diagnosis methods. in this study 205 capillary and whole blood samples were collected from doges in various counties of eas...

supernumerary teeth are defined as the teeth developed in excess of the number found in a normal dentition. supernumerary canine is an extremely rare finding particularly in the mandible. this case report presents a 25-year-old female patient with the unique feature of bilateral mandibular supplemental supernumerary canines. the patient was non-syndromic without any other supernumerary teeth.

abstract fixed dental prosthesis success requires appropriate impression taking of the prepared finish line. this is critical in either tooth supported fixed prosthesis (crown and bridge) or implant supported fixed prosthesis (solid abutment). if the prepared finish line is adjacent to the gingival sulcus, gingival retraction techniques should be used to decrease the marginal discrepancy among ...

OBJECTIVES To correlate the recurrence of temporalis fascia graft perforation and retraction in adults and children after tympanoplasty for chronic tubotympanic otitis and deep attic retraction pockets with age, pathologic process, mucosal lesions, mucociliary transport time, chronic sinusitis, and lateral attic wall reconstruction. DESIGN Retrospective study. SETTING Tertiary referral cent...