Frank-Michael Köhn

TL;DR: The presence of not one but three spermatogenesis loci in Yq11 is proposed and that each locus is active during a different phase of male germ cell development.

TL;DR: The present case demonstrates that this rare disease, which mainly occurs as a traumatic mycosis in the rural population of tropical regions, must be included in the differential diagnosis of psoriasiform or verrucous skin lesions and also included inThe list of diseases which may be acquired while on vacation in exotic locations.

TL;DR: Hydrogen hexachloroplatinate does not affect sperm motility, membrane integrity or viability, but it does induce the acrosome reaction after incubation for 3 h before cytotoxic effects are measurable.

TL;DR: Neither the animal models nor the human data presented in recent studies provide any indications that fertility decreases after being vaccinated against coronavirus, however, there is a growing body of evidence that severe SARS-CoV-2 infection has a negative impact on male fertility and there is clear evidence of an increased risk of complications among pregnant women with SARS.

TL;DR: Kausale medikamentose Therapieregime mit in kontrollierten Studien zweifelsfrei nachgewiesener Wirksamkeit stehen nur bei mannlicher Infertilitat als Folge des hypog onadotropen Hypogonadismus zu Verfugung.