today physical researchers and teachers consider exercise as a key element to improve motor skills; it is also evident that changeability in practice for retention and performance skills is both proper and effective. the main idea of this study was to evaluate the effectiveness of random and blocked practice methods on retention and performance ability of 12-year-old learners’ passing skills in...

The aims of the review are the collection, concise description and evaluation of the multivariate mathematical-statistical methodologies used for the elucidation of the similarities and dissimilarities among retention parameters measured under various chromatographic conditions and the determination of the relationship between the physicochemical parameters and chromatographic retention behavio...

Intracoronary injection of bone marrow mononuclear cells (BMMNC) is an emerging treatment for heart failure. Initial donor cell retention in the heart is the key to the success of this approach, but this process remains insufficiently characterized. Although it is assumed that cell size of injected cells may influence their initial retention, no scientific evidence has been reported. We develop...

Corresponding Author: Atsuya Hikosaka, MD Department of Urology, Toyota Kosei Hospital, 500-1, Ibobara, Josui-cho, Toyota, Aichi 470-0396, Japan Tel: +81 565 43 5000 Fax: +81 565 43 5100 E-mail: [email protected] INTRODUCTION Spermatocele, a retention cyst of the scrotum which is or has been in communication with the semen-carrying system,(1) is a relatively common clinical entity. It presents...

Mate retention is an important problem in romantic relationships because of mate poachers, infidelity, and the risk of outright defection. The current study (N=892) represents the first study of mate retention tactics conducted in Spain. We tested hypotheses about the effects of gender, relationship commitment status, and personality on mate retention tactics. Women and men differed in the use ...