https://patents.google.com/patent/CN104100205A/en
CN104100205A - Cement ring structure of ultralarge-diameter drill well and construction method -...
Super-large-diameter drilling cement ring structure and construction method, the cement ring structure has a circular cement ring body, on the upper edge of...
https://ub01.uni-tuebingen.de/xmlui/handle/10900/37961
Ultralarge von Willebrand Factor Fibers Mediate Luminal Staphylococcus aureus Adhesion to an Intact...
von willebrand factor