PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34744823-2 2021 The role of peripubertal testosterone levels in boys in this context is insufficiently understood and may be modulated by a functional polymorphism of the androgen receptor gene (AR), a variable number of CAG repeats. Testosterone 25-37 androgen receptor Homo sapiens 155-172