BACKGROUND High participation rates are an essential component of an effective screening programme and many approaches were introduced as being successful for enhancing compliance to screening guidelines. The aim of this study was to evaluate to which extent a personal invitation by mail increases the rate of attendance in a cervical cancer screening programme in a primary health care centre. ...

OBJECTIVES To estimate the effect on breast screening uptake of delayed, targeted, second timed appointments in women who did not take up an initial breast cancer screening appointment offer. METHODS Non-attending women received a four-month delayed second timed appointment following non-response to the initial invitation and the normal open invitation sent to non-attenders. A comparison grou...

The kind invitation that I received from the organisers of this conference to contribute a paper surveying the history of present-day computers (the title suggested was "The Emerging Computer Industry Technology") immediately put me in mind of an earlier invitation. This was one that I received in 1990, out of the blue, from Professor I.B. Cohen, Harvard University's very eminent historian of s...

The study of the complexity constraint satisfaction problem (CSP), centred around Feder-Vardi Dichotomy Conjecture, has been very prominent in last two decades. After a long concerted effort and many partial results, Conjecture proved 2017 independently by Bulatov Zhuk. At about same time, vast generalisation CSP, called promise started to gain prominence. In this survey, we explain importance ...