1. The epigenotype;Waddington;Endeavour,1942
2. Epigenetics: an overview;Holliday;Dev Genet,1994
3. Genes, genetics, and epigenetics: a correspondence;Wu;Science,2001
4. Chromatin;Van Holde,1989
5. Mechanisms of transcriptional memory;Francis;Nat Rev Mol Cell Biol,2001