tokens: Although the explanation for the association between artery calcification and growth status cannot be determined from the present study , there was a relationship between higher serum phosphate and susceptibility to artery calcification , with 30 % higher levels of serum phosphate in young , ad libitum - fed rats compared with either of the groups that was resistant to Warfarin - induced artery calcification , ie , the 10 - month - old rats and the restricted - diet , growth - inhibited young rats .