TY  - RPRT
TI  - Hybridity effect on mortality.
AU  - A Freire-Maia
AU  - C Stevenson
AU  - N E Morton
PY  - 1974
DO  - 10.1080/19485565.1974.9988116
UR  - https://pubmed.ncbi.nlm.nih.gov/4476090/
ID  - 4476090
ER  -