Tesarik, J In-vitro differentiation of germ cells from frozen testicular biopsy specimens. [electronic resource] - Human reproduction (Oxford, England) Aug 2000 - 1713-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0268-1161 Standard No.: 10.1093/humrep/15.8.1713 doi Subjects--Topical Terms: Biopsy--methodsCell Culture Techniques--methodsCell DifferentiationCryopreservationCulture MediaDNA DamageFollicle Stimulating Hormone--pharmacologyHumansIn Situ Nick-End LabelingMaleOligospermia--pathologySertoli Cells--physiologySpermatogenesisSpermatozoa--cytologyTestis--cytologyTestosterone--pharmacology