青色の背景に黒板にテストステロンの式 - ストックフォト＆画像

Molecular formula of serotonin on card near hormone construction on blue background

Hormone construction on blue background with copy space

Nameplate with testosterone lettering near crumpled paper on wooden surface isolated on blue

Cropped view of doctor holding test tube with blood sample of female hormone near testosterone lettering in hole of red paper on blue background

Construction of hormone molecular formula on blue background

Cropped view of doctor tearing red paper with testosterone lettering on white surface

Testosterone lettering on white surface in hole of red paper