context: He also served as first president of the Calgary Medical Society.
source: Lafferty retired from the practice of medicine in 1909 but served as a hospital inspector from 1909 until 1918 (or possibly later).
reference_original: Lafferty dejó de practicar medicina en 1909 pero trabajó como inspector hospitalario de 1909 a 1918 (probablemente más tarde).
reference_flipped: Lafferty dejó de practicar medicina en 1909 pero trabajó como inspectora hospitalaria de 1909 a 1918 (probablemente más tarde).