Characterization of the 16S-23S internal transcribed spacer among 34 higher plants: suitability for interspecific plastid transformation.
McNutt PM, Dehart MJ, Matej LA. Characterization of the 16S-23S internal transcribed spacer among 34 higher plants: suitability for interspecific plastid transformation. . 2007 Jan; 26(1):47-60.