G Hirsch

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OBJECTIVES Variations in the degree of pain relief reported by patients with osteoarthritis following intra-articular corticosteroid injections are well recognized but the reasons for this are not widely understood and factors which might predict variations in response have not been subjected to systematic review. We set out to review systematically the(More)
Information about the distribution of effusion within the arthritic knee joint should be considered in selecting an anatomical approach for arthrocentesis. We recorded ultrasound measurements of fluid distribution in the knees of patients attending our clinic for knee injections under ultrasound guidance. In a cross-sectional observational study, we used(More)
An assay is described for the measurement of mutation induction at the hypoxanthine-guanine phosphoribosyl transferase (HGPRT) locus in Chinese hamster ovary (CHO) cells utilizing resistance to 6-thioguanine (TG). Optimal selection conditions are defined for such parameters as phenotypic expression time prior to selection, and TG concentration and cell(More)