Schemes for workplace participation have long been promoted and vilified. Such conflicting views have been brought into sharp focus by the highly variable results of such practices as teamwork. Yet a theoretical framework to grasp workplace co-operation is lacking. This paper develops a framework on the basis of theory and a review of a wide range of empirical studies. Capital and labour each have two sets of 'concerns': over 'control' of the workplace and the longer term 'development' of the productive forces. Cross-classifying these concerns produces a matrix of patterns of workplace relations. Each cell of the matrix represents a different combination of the interests of capital and labour. The matrix can be used to map participation schemes so as to capture their varying features. The next task, pursued elsewhere, is to identify the conditions leading to locations in different cells of the matrix. Copyright Blackwell Publishing Ltd/London School of Economics 2006.

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Double blind, randomised, placebo controlled, crossover, multicentre study to determine the eYcacy of a 0.1% (w/v) sodium hyaluronate solution (Fermavisc) Abstract Background/aims-Hyaluronan (sodium hyaluronate) has been shown to confer objective and subjective improvement in patients with dry eye syndrome. This study compared the eYcacy and safety of a 0.1% solution of hyaluronan with 0.9% saline, when administered topically to the eye, in the treatment of symptoms of severe dry eye syndrome. Methods-A randomised, double blind, crossover clinical trial in which subjects were randomised to receive either hyaluronan or saline, applied as one or two drops to the eye, three or four times a day or as required. After 28 days' treatment, subjects crossed over to the other study medication for a further 28 days' treatment. Results-70 subjects were included in the analyses of eYcacy and significant improvements in Schirmer's score (p=0.0006) and rose bengal staining score (p=0.0001) were observed during treatment with hyaluronan. In a subjective assessment of the eVectiveness of two treatments, a majority of subjects felt that hyaluronan was more eVective than saline in alleviating the symptoms of burning and grittiness (p<0.001). No adverse events attributable to hyaluronan treatment were reported. Conclusion-The study demonstrates a clear benefit of hyaluronan over saline, in both subjective and objective assessments of dry eye syndrome. Hyaluronan was shown to be well tolerated.

Results-When compared with the nonentropic side, the entropic lid had a greater degree of horizontal laxity and poorer lower lid retractor function. These diVerences however, were not significant. At the conclusion of the study and after a mean follow up period of 31 months, the entropion had recurred in 15% of the patients. There were no treatment failures in the group of five patients with recurrent entropion. The improvement in lower lid retractor function after the insertion of lower lid everting sutures did not reach statistical significance. There was no significant diVerence between the treatment failure group and the group with a successful outcome with regard to: the degree of horizontal lid laxity or lower lid retractor function present preoperatively; patient age or sex; an earlier history of surgery for entropion. There was neither a demonstrable learning eVect nor a significant intersurgeon diVerence in outcome. The overall 4 year mortality rate was 30%. Conclusions-The use of everting sutures in the correction of primary or recurrent lower lid involutional entropion is a simple, successful, long lasting, and cost eVective procedure.