Lint: kellgren-and-lawrence-system-for-classification-of-osteoarthritis

"This classification was proposed by British rheumatologist Jonas H Kellgren (1911-2002) ⁵ and British epidemiologist John S Lawrence (1908-1996) ⁶ in 1957 ¹ and later accepted by the World Health Organisation (WHO) in 1961 as the radiological definition of OA for the purpose of epidemiological studies ³."

"This classification was proposed by British rheumatologist Jonas H Kellgren (1911-2002) ⁵ and British epidemiologist John S Lawrence (1908-1996) ⁶ in 1957 ¹ and later accepted by the World Health Organisation (WHO) in 1961 as the radiological definition of OA for the purpose of epidemiological studies ³."