Tesco's move into Korea offers a classic case study of building market share internationally. The company made some smart moves in their Korean expansion, most notably partnering with Samsung, the leading Korean conglomerate, and embracing the Korean way of life by operating stores as local businesses and community centers. Tesco also made a smart move by employing nearly 100% Koreans on staff, with only 4 British employees out of 23,000. Reports indicate that Tesco's intelligent strategy has won over shoppers in Seoul, with 25% of Koreans signed up for loyalty cards and sales in the billions, finding success in "crack[ing] the Asian tiger," where competitors such as Carrefour and Wal-Mart have failed.

31 What is the cause of Pott's disease?

32 One thing that often baffles me is that patients with systemic lupus erythematosus often suffer recurrent thrombosis due to lupus anticoagulants (antiphospholipid syndrome). How can an anticoagulant cause thrombosis?

33 Are elevated homocysteine levels an independent risk factor for progression of systemic lupus erythematosus (SLE)/scleroderma? Kindly suggest some references if possible.

34 1. What are the indicators of remission in systemic lupus erythematosus (SLE)? Is it the normalization of erythrocyte sedimentation rate (ESR) and the disappearance of antinuclear antibodies (ANA) and other antibodies, or is it clinical improvement? 2. During remission of SLE, do gANA and other antibodies disappear?

35 When should the use of cyclophosphamide in systemic lupus erythematosus (SLE) be commenced? What is the correct and safe dosage of cyclophosphamide?

36 1. Given the benefits of dexamethasone, which lacks any mineralocorticoid activity, why is this not prescribed in your book for diseases that require long-term steroid therapy, such as systemic lupus erythematosus or giant cell arteritis? 2. Does dexamethasone have more serious adverse effects than prednisolone? Why is it not generally preferred?

37 Would an elevated C-reactive protein (CRP) level, in association with a high erythrocyte sedimentation rate (ESR) and in the absence of infection and serositis, exclude the diagnosis of systemic lupus erythematosus?

38 How do steroids precipitate a crisis in patients with systemic sclerosis?

39 Are neck and face muscles commonly affected in poly- and dermatomyositis? Does this differ from the muscles that are affected with myasthenia gravis?

40 1. In dermatomyositis, what is the shawl sign? 2. How frequently is dermatomyositis associated with Gottron's papules?