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Intratesticular factors and testosterone secretion. Effect of treatments that alter the level of testosterone within the testis
Intratesticular factors testosterone secretion testosterone testis
2009/2/23
The authors recently have reported the presence of a nongonadotropic polypeptide factor in rat testicular interstitial fluid that can exert marked stimulatory effects on Leydig cell testosterone pro...
The Esthetic Impact of Extraction and Nonextraction Treatments on Caucasian Patients
Soft tissue profile Extraction Nonextraction
2008/12/29
This investigation was designed to compare the esthetic effects of extraction and nonextraction treatments. Panels of 58 laypersons and 42 dentists evaluated randomly presented pre- and posttreatm...
Lack of significant morphological differences between human X and Y spermatozoa and their precursor cells（spermatids）exposed to different prehybridization treatments
significant morphological huma X and Y spermatozoa precursor cells
2008/12/26
Human X and Y spermatozoa were previously compared by several nonmolecular techniques. Recent studies show that in many of the previous investigations, the methods used to identify the spermatozoa wer...