Transdermal testosterone gel. Don't take blood from the arm where gel is applied.
Nizar
Hisham
H
Balasanthiran
Anjali
A
Morganstein
Daniel
D
Norman
Bernard
B
Shotliff
Kevin
K
D001132:Arm; D005782:Gels; D006801:Humans; D008297:Male; D018962:Phlebotomy / Q000379:methods*; D013048:Specimen Handling / Q000379:methods*; D013739:Testosterone / Q000008:administration & dosage / Q000097:blood*
D005782:Gels; D013739:Testosterone