Установите последовательность пропущенных в тексте слов.
People have been using natural 1_______ for thousands of years. Did you know, for example, that 2_______ originally came from the bark of the willow tree? In the 5th century ВС the Greek 3_______, Hippocrates, gave it to his 4_______ to stop their pains.
medicines
aspirin
doctor
patients