[Nycthemeral plasma and testicular androgen contents in guinea pigs at puberty].
A study based upon transversal sampling involving 13 series of 7 animals each does not show a significant circadian rhythm of testosterone and delta4 androstenedione concentrations in the plasma and testis of the guinea-pig at the age of puberty.
[Nycthemeral plasma and testicular androgen contents in guinea pigs at puberty]. A study based upon transversal sampling involving 13 series of 7 animals each does not show a significant circadian rhythm of testosterone and delta4 androstenedione concentrations in the plasma and testis of the guinea-pig at the age of puberty.