Until 1961 the line was electrified only as far as Rickmansworth, where steam locomotives were attached or detached in place of electric ones. In the same year the stations north of Amersham were given over to British Rail.

In their review of the impact of heterophily on group process outcomes, Milliken and Martins (1996) acknowledge that past research conflicts on whether heterophily inhibits or facilitates positive group outcomes.

Patients with submassive PE can be treated with anticoagulation medication alone as they are generally hemodynamically stable, whilst patients with massive PE usually present with hemodynamic instability and are treated with either pulmonary embolectomy or thrombolytic therapy.

Sheffield United, who were relegated on 17 April following defeat to Wolves, had one shot on target and were unable to test goalkeeper Hugo Lloris.