to understand the interplay between these mechanisms , we have examined the pulsatile pattern of plasma lh , fsh , testosterone , oestradiol and prolactin between 20.00 and 09.00 h and the pituitary response to repeated exogenous lhrh stimulation in 16 boys with delayed puberty ( age 16.3 +/- 2.7 ( s.e.m . ) years ) on one to four occasions in a mixed longitudinal/cross-sectional analysis .
C0039601
testosterone
C0034012
delayed puberty