ROLLING STONES guitarist RON WOOD may be taking a break from hooking up with young Russian women to go back to rehab for alcohol abuse. The British tabloids say Ron entered a London treatment facility over the weekend.A so-called "source" says MICK JAGGER is relieved . . . quote, "Mick has always been helpful and supportive of Ronnie when he gets in trouble and falls off the wagon. The news Ronnie's decided to go into rehab is really pleasing for Mick. "He has always urged him to get help when he's had his problems . . . and this case was no different. Mick's just delighted he's . . . trying to get himself straight." (-Ron, who's 62 years old, last went to rehab in July of 2008.)