https://www.washingtonpost.com/news/wonk/wp/2015/02/11/big-pharmaceutical-companies-are-spending-far-more-on-marketing-than-research/ https://www.washingtonpost

https://www.washingtonpost.com/news/wonk/wp/2015/02/11/big-pharmaceutical-companies-are-spending-far-more-on-marketing-than-research/ https://www.washingtonpost.com/news/wonk/wp/2015/02/11/big-p... https://www.ahip.org/news/articles/new-study-in-the-midst-of-covid-19-crisis-7-out-of-10-big-pharma-companies-spent-more-on-sales-and-marketing-than-r-d https://www.ahip.org/news/articles/new-study-in-the-midst-of... I'm sure there's plenty more out there.