The concept was introduced by the medical statistician Stuart Pocock in 1977.
Boundary Waters Canoe Area Wilderness | Boundary Commission | J. G. A. Pocock | Edward Innes Pocock | Tim Pocock | List of Buckinghamshire boundary changes | Interstellar Boundary Explorer | Regional District of Kootenay Boundary | Oregon boundary dispute | Nicholas Pocock | List of Berkshire boundary changes | George Pocock | Boundary-Similkameen | Boundary marker | Boundary Dam | boundary (cricket) | Boundary Creek | boundary | United States and Mexican Boundary Survey | Stuart Pocock | Reginald Innes Pocock | Philip Pocock Catholic Secondary School | Outflow boundary | Local Government Boundary Commission for England (1972) | Local Government Boundary Commission for England | List of maritime boundary treaties | Isaac Pocock | International Boundary and Water Commission | Highland Boundary Fault | Boundary Waters – Canadian derecho |