BECCA, E. .-. L. R&D Expenditure and Financial Performance in the Pharmaceutical Industry: A Case Study of Pfizer. Digital Repository of Theses - SSBM Geneva, [S. l.], 2025. Disponível em: https://repository.e-ssbm.com/index.php/rps/article/view/1147. Acesso em: 18 jan. 2026.