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bandages for plaster casts were introduced in the mid-19th century and were initially prepared fresh in hospitals. Ready-to-use plaster bandages did not become commercially available until the 1930s. Another important medical development was the use of magnesium sulphate for the treatment of seizures during pregnancy (eclampsia). This application was first reported in 1916. By 1930, magnesium sulphate had largely replaced less

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