Locating Longitudinal Respondents After a 50-Year Hiatus

Cholera ante portas – The re-emergence of cholera in Kinshasa after a ten-year hiatus

BACKGROUND Cholera is an endemic disease in certain well-defined areas in the east of the Democratic Republic of Congo (DRC). The west of the country, including the mega-city Kinshasa, has been free of cases since mid 2001 when the last outbreak ended. METHODS AND FINDINGS We used routinely collected passive surveillance data to construct epidemic curves of the cholera cases and map the spati...

A 50 Year Old Man with Fever and Abdominal Pain

The patient is a 50-year-old man who has been diagnosed with abdominal pain, fever, shivering and constipation with nausea and vomiting with a possible diagnosis of typhoid. Computed tomography (CT) of the abdomen and pelvis was performed by injection of contrast agent for the patient. What is your diagnosis?

Compiling a 50-year journey

Fifty years ago, John McCarthy and James Painter (1967) published the first paper on compiler verification, in which they showed how to formally prove the correctness of a compiler that translates arithmetic expressions into code for a register-based machine. In this article, we revisit this example in a modern context, and show how such a compiler can now be calculated directly from a specific...

Vancomycin: a 50-year reassessment.

Faecal incontinence persisting after childbirth: a 12 year longitudinal study.

OBJECTIVES To investigate persistent faecal incontinence (FI) 12 years after birth and association with delivery mode history and quality of life. DESIGN Twelve-year longitudinal study. SETTING Maternity units in Aberdeen, Birmingham and Dunedin. POPULATION Women who returned questionnaires 3 months and 12 years after index birth. METHODS Data on all births over 12 months were obtained ...