Effectiveness of 23-valent pneumococcal polysaccharide vaccine on elderly long-term cancer survivors: a population-based propensity score matched cohort study

Chiou, W.-Y., Lee, M.-S., Hung, S.-K., Lin, H.-Y., Lo, Y.-C., Hsu, F.-C., Tsai, S.-J., Li, C.-Y.
BMJ Publishing
Published 2018