Testosterone chemical structure formula on blackboard
Free image/jpeg, Resolution: 235x234, File size: 29Kb, Testosterone chemical structure formula on blackboard picture with tags: hormone, steroids, formula, blackboard, healthcare and medicine, illustration, drawing - art product, text, education, white, single object, chemistry, one person, writing, frame, teaching, molecule, molecular structure, colors, black color, concepts, dark, no people, textured
