In the simplest of terms, a drug's volume of distribution is that volume of bodily fluid into which a drug dose is dissolved. Therefore, if we know the dose that was given, and we can measure the serum level (concentration), then we can calculate a volume: Volume of distribution = Dose / drug concentration.
As soon as you can make the reservation, do it, but the general consensus is at least three to six months in advance of the date. By three months out, couples have a good idea how many guests will be attending and they can plan a menu that doesnât conflict with their wedding day.
Note: you cannot reserve tickets on-line on the day of your visit, you must reserve before midnight latest on the day before. Only a very small number of tickets are held back each day for walk-up visitors. Note: the last bookable 30 minute time slot is 2.5 hours before closing time of Stonehenge. Closing times are variable according to month of the year.