Words similar to r-r

Example sentences for: r-r

How can you use “r-r” in a sentence? Here are some example sentences to help you improve your vocabulary:

Cell cultures and infection with Ad-GFP/IGF2R-Rz and Ad-GFP
John Chafee, R-R.I.).
There were significantly more apoptotic cells in control cultures than in cultures expressing the Ad-GFP/IGF2R-Rz.
After infection with Ad-GFP/IGF2R-Rz or Ad-GFP, cells were incubated with or without 50 ng/ml IGF-II for 4 days.
John Chafee, R-R.I.; James Jeffords, R-Vt.; and Arlen Specter, R-Pa., say they'll vote no.