Sakai R K, Baker R H
Genetics. 1972 Jun;71(2):287-96. doi: 10.1093/genetics/71.2.287.
A natural population of Culex tritaeniorhynchus was sampled to test the efficacy of a proposed method to detect and measure concealed variability. Thirty-nine lethals and ten recessive visible mutations were uncovered out of a total of 125 chromosomes tested.