Conventional progesterone receptors (PR) B and PRA are expressed in human spermatozoa and may be involved in the pathophysiology of varicocoele: a role for progesterone in metabolism.(corresponding author) DOI: 10.1111/j.1365-2605.2010.01111.x ;WOS:000295269600005;2-s2.0-80053308081;PMID: 20946440