McCarthy S T, Turner J J, Robertson D, Hawkey C J, Macey D J
Lancet. 1977 Oct 15;2(8042):800-1. doi: 10.1016/s0140-6736(77)90728-0.
A trial of subcutaneous low-dose heparin in the prevention of deep-vein thrombosis was carried out in elderly patients admitted to hospital after an acute stroke. A statistically significant reduction was observed in deep-vein thrombosis as assessed by isotope leg scanning.