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Groups of eight adult male rats were given a single oral dose of 0 or 48 mg/kg of 1,3-dinitrobenzene and sacrificed at 1, 2, 4, 8, 16, 24, 32, 72, and 175 days posttreatment. The groups killed at 17...
A method is described for improving the quality of semen from subfertile men. Semen samples were filtered through bovine cervical mucus (collected at estrus) into spermatozoa-free seminal plasma (fr...
We investigated the effect of follicle-stimulating hormone (FSH) administration on the ultrastructure of spermatozoa in order to evaluate the potential of FSH therapy for improving sperm quality. Fo...
Bladder catheterization for collection of retrograde ejaculates is commonly practiced, although previous studies have shown that materials used in the manufacture of the catheters may be toxic to sp...
Human seminal plasma proteins from fertile and infertile men were fractionated by electrophoresis. The amounts of three Coomassie-stained protein bands were measured by densitometry. Their relativ...
The number and quality of sperm produced by the testis is determined to a great extent by the interaction of three factors: 1) the genetic make-up of the spermatogonia; 2) normal Sertoli and Leydi...

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