Title: Yang lao you fang
Subjects: Older people, Health and hygiene, Chinese Medicine, Longevity, Care, Chinese Traditional Medicine, Personnes âgées, Santé et hygiène, Médecine chinoise, Longévité, Soins, Lao lao heng yan (Cao, Tingdong)
Places: China, Chine
People: Tingdong Cao (1699-1785)