Ebert, S., L. Breumlund, R. Nau, and U. Michel. “The Mitochondrial Housekeeping Gene 16S Is Inappropriate As an Internal Standard in Comparative Studies of Rare Mitochondrial Transcripts Using S1-Nuclease Protection Assays”. Journal of Nucleic Acids Investigation, Apr. 2010, doi:10.4081/jnai.1588.