Swanson, H. I., Sarge, O. P., Rodrigo-Peiris, T., Xiang, L., & Cassone, V. M. (1969). Development of a Course-Based Undergraduate Research Experience to Introduce Drug-Receptor Concepts. Journal Of Medical Education And Curricular Development, 3. https://doi.org/10.4137/JMECD.S31233 (Original work published 1969)