TY  - RPRT
TI  - Origin and evolution of retroelements based upon their reverse transcriptase sequences.
AU  - Y Xiong
AU  - T H Eickbush
PY  - 1990
DO  - 10.1002/j.1460-2075.1990.tb07536.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1698615/
ID  - 1698615
ER  -