Centuries: 14th century - 15th century - 16th century
Decades: 1370s 1380s 1390s 1400s 1410s - 1420s - 1430s 1440s 1450s 1460s 1470s
Years: 1424 1425 1426 1427 1428 - 1429 - 1430 1431 1432 1433 1434
... in aerosol inhalers for drugs used to treat asthma. The conversion of these devices and treatments from CFC to halocarbons that do not have the same effect on the ...
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