Lingard L. Joining a conversation: the problem/gap/hook heuristic. Perspect Med Educ. 2015;4(5):252-253. doi:10.1007/s40037-015-0211-y
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4602011/
Lingard L. Mastering the sentence. Perspect Med Educ. 2017;6(1):51-53. doi:10.1007/s40037-016-0315-z
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5285275/