| Description | Papers by Bergel, Glazier et al; Bergel, Gabe et al; de Bono and Warren; Dhall et al; Gabe adn Zatz; Glazier et al; W Hartson; Kohner et al; A Litton; T J Ryan; G M R Smith; Spriggs et al; Stalker and Hall; B A Warren; Gimlette and Nasrallah; Paterson et al; L T F Youlten. |