This is the apparent volume of distribution. How do you work this out? Okay. VD equals... Yep. The volume distribution... The dose? Yes. Now, just while we're here, some examples of drugs that do this. Heparin. Yup. Aspirin's not overly great and woofrin. Some of these drugs are either too big, or I think in woofrin's case, is held on strongly to albumin. This is a bad thing. Well, it could be if you wanted it to work, let's say off in the nerve somewhere. But these drugs are all blood drugs. So you want them to stay sequestered in the vascular