Concentrations of essential and non-essential elements in eastern North Pacific killer whales (Orcinus orca) - Catherine F. Lo; Joseph K. Gaydos; Robert Poppenga; Lynne Barre; Kathy Burek-Huntington; John Calambokidis; Paul Cottrell; Debbie Duffield; Jessica L. Huggins; Dyanna M. Lambourn; Jim Rice; Heindrich N. Snyman; et al. (PLoS ONE, 2026)