Secondary structures in CpG oligonucleotides affect immunostimulatory activity.
Kandimalla ER, Bhagat L, Cong YP, Pandey RK, Yu D, Zhao Q, Agrawal S. Secondary structures in CpG oligonucleotides affect immunostimulatory activity. Biochem Biophys Res Commun. 2003 Jul 11; 306(4):948-53.