Which of the following are true about fondaparinux? A. It can be used for DVT tx B. It can be used for DVT px C. When administered for DVT px, the dose is based on the pt's wt D. When administered for DVT tx, the dose is based on the pt's wt E. It may cause thrombocytopenia, but lacks cross-reactivity w/ HIT antibodies F. It can be given to pts w/ a hx of HIT