Complex sentence: The newer tests called FRETS-VWF73 method use a VWF A2 domain peptide, which seems to be the minimal substrate for ADAMTS13, they are easy to perform and shorter than the first generation tests.
Split into simpler sentences: The newer tests called FRETS-VWF73 method use a VWF A2 domain peptide, which seems to be the minimal substrate for ADAMTS13. These tests are easy to perform and shorter than the first generation tests.