Ключевые слова: alternative, animal, background, beauty, biology, black, bloodsucker, closeup, copy, fauna, female, glove, green, group, hand, health, hirudotherapy, holding, hospital, ingredient, insect, invertebrate, leech, leeches, many, medicinal, medicine, natural, parasite, person, pest, research, science, service, skin, small, space, suck, text, therapy, top, traditional, treatment, unconventional, view, wild, wildlife, woman, worm, zoology,