TY - JOUR AU - Strahan, Esther L2 - http://journals.stfm.org/familymedicine/2024/february/br-strahan-0238 L1 - http://journals.stfm.org/media/w5deed1j/brstrahan0238docx-2024-02-01-16-53.pdf TI - The Public Health Approach: Population Thinking From the Black Death to COVID-19 ER -