It is reasonable to do endocrine investigation in gynecomastia.
Sun
Zhi-Yong
ZY
Yin
Guo-Qian
GQ
D006177:Gynecomastia / Q000097:blood* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D008297:Male; D011388:Prolactin / Q000097:blood
D011388:Prolactin