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Soil compaction is widespread throughout southern Africa, especially under intensive cultivation. The paper reports on various research projects in which the author has been involved over a period of more than 30 years. Soil compaction was identified as the cause of 'growth stunting disease' in sultana grapes and 'red death' in cotton at the Lower Orange(More)
OBJECTIVE To compare the prevalence of cardiovascular risk factors and coronary heart disease in Chinese and Europid adults. DESIGN Population based, cross sectional survey. SETTING Newcastle upon Tyne, UK, 1991-93. SUBJECTS Altogether 380 Chinese and 625 Europid adults, aged 25-64 years. MAIN OUTCOME MEASURES Fasting lipid levels, blood pressure,(More)
OBJECTIVE To compare the implications of four widely used cholesterol screening and treatment guidelines by applying them to a population in the United Kingdom. DESIGN Guidelines were applied to population based data from a cross sectional study of cardiovascular disease and risk factors. SETTING Newcastle upon Tyne, United Kingdom. SUBJECTS General(More)
In a series of thirty-six patients treated with clozapine we report four cases who developed upper gastrointestinal symptoms suggestive of reflux oesophagitis within 6 weeks of starting this drug. Subsequent endoscopic examination revealed moderately severe erosive oesophagitis in three of them. Of these one had received treatment for a peptic ulcer in the(More)
The aim of this naturalistic study was to compare the outcome of patients who continued on clozapine with that of those who discontinued treatment with this drug. Data from 113 patients who commenced clozapine between January 1990 and June 1995 were available for analysis. The main outcome measures were hospitalization status at each anniversary since(More)
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