TY  - RPRT
TI  - Evolutionary biology. Parasites and polymorphisms.
AU  - D Ebert
AU  - R Lorenzi
PY  - 1994
DO  - 10.1038/369705a0
UR  - https://pubmed.ncbi.nlm.nih.gov/8008060/
ID  - 8008060
ER  -