Complex sentence: Multiple pharmacological therapies for DVT were introduced in the 20th century: oral anticoagulants in the 1940s, subcutaneous LDUH in 1962, and subcutaneous LMWH in 1982.
Split into simpler sentences: Multiple pharmacological therapies for DVT were introduced in the 20th century. Oral anticoagulants were introduced in the 1940s, subcutaneous LDUH in 1962, and subcutaneous LMWH in 1982.