Attached files
file | filename |
---|---|
EX-32.2 - EX-32.2 - UNITED THERAPEUTICS Corp | uthrex32209302020.htm |
EX-32.1 - EX-32.1 - UNITED THERAPEUTICS Corp | uthrex32109302020.htm |
EX-31.2 - EX-31.2 - UNITED THERAPEUTICS Corp | uthrex31209302020.htm |
EX-31.1 - EX-31.1 - UNITED THERAPEUTICS Corp | uthrex31109302020.htm |
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