Zambounis A, Ganopoulos I, Kalivas A, Tsaftaris A, Madesis P: Identification and evidence of positive selection upon resistance gene analogs in cotton (Gossypium hirsutum L.). Physiol Mol Biol Plants. 2016 Jul;22(3):415-421. Epub 2016 Jul 13. PubMed PMID: 27729728.