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CAG repeat length analysis and mutation screening of the androgen receptor gene in Japanese men with idiopathic azoospermia
Male infertility Kennedy disease sperm production
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2008/12/29
Because androgens are required for normal spermatogenesis, we are investigating abnormalities in the androgen receptor as a possible cause of impaired spermatogenesis in patients with idiopathic mal...
Have sperm counts deteriorated over the past 20 years in healthy, young Japanese men? Results from the Sapporo area
sperm counts deteriorated healthy young Japanese men Sapporo area
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2008/12/26
Changes in semen quality of healthy men is a controversial issue throughout the world. It is suspected that many chemical endocrine disrupters may affect the quality of semen. Although exposure to the...
Seasonal Changes in Urinary Prostate-Specific Antigenic Activity in Male Japanese Macaques （Macaca fuscaa fuscata）
Prostate-specific antigen testosterone urine seasonal breeding
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2008/12/24
Prostate-specific antigen (PSA) is usually detected in male adult urine and semen according to the Tanner stage development of males from birth to adolescence. To further study the pituitary-test...