1. Zidovudine after occupational exposure to HIV;correspondence;BMJ,1991
2. Guidelines for doctors with HIV infection;Cook, L.;BMJ,1991
3. Prevention of deep vein thrombosis after hip replacement: randomised comparison between unfractionated heparin and low molecular weight heparin;Leyvraz, P.F.; Bachmann, F.; Hoek, J.; Buller, H.R.; Postel, M.; Samama, M.,1991
4. Major orthopaedic surgery on the legand thromboembolism;Parker-Williams, J.; Vickers, R.,1991
5. Clinical experience with low molecular weight heparins;Giuseppe, G.;Thromb Res,1990