Human growth hormone molecule (hGH, somatotropin), computer illustration. A natural hormone that is used both as a medicine and as a doping agent. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |