Ключевые слова: alternative, animal, background, beauty, biology, black, bloodsucker, blue, brown, closeup, copy, doctor, fauna, female, glass, glove, hand, health, hirudotherapy, holding, hospital, ingredient, insect, invertebrate, jar, leech, leeches, light, medicinal, medicine, natural, parasite, person, pest, research, science, session, skin, space, suck, text, therapy, traditional, treatment, unconventional, wild, wildlife, woman, worm, zoology,