Using well-defined histological criteria and histomorphometry techniques, the cross-sectional area and bone turnover in periarticular osteophytes of the proximal tibia were examined in detail in a highly relevant animal model (cynomolgus monkeys) in which the effects of long-term ERT on OA severity and bone turnover (SCB and EMC bone) had previously been demonstrated to be significant (SPE and ERT) .
The most expensive rental cars come from the luxury, premium or special rental car class. Prices for luxury rental vehicles can vary dramatically by vehicle, but they typically start at around $80 and rise to more than $120 per day.
U.S. Rental Car Company Policies. Minimum age is 21. Age surcharge of $25 per day would apply for drivers between 21-24. More Info. Primary renters must be 25 years old and above in most states. Renters between 21 and 24 years old need to pay an age surcharge of $25 per day.