Lynn, S. G., Powell, K. A., Westneat, D. F., & Shepherd, B. S. (1969). Seasonal and sex-specific mRNA levels of key endocrine genes in adult yellow perch (Perca flavescens) from Lake Erie. Marine Biotechnology (New York, N.y.), 11(2), 210-22. https://doi.org/10.1007/s10126-008-9136-3 (Original work published 1969)