Decline in pneumonia admissions after routine childhood immunisation with pneumococcal conjugate vaccine in the USA: a time-series analysis

Quasi-experimentation: Design and analysis issues for field settings

Patrick E. Shrout · Evaluation and Program Planning · 1980 · 6.1K citations

Public Health, Design, Experimental Design +10

Segmented regression analysis of interrupted time series studies in medication use research

Anita K. Wagner, Stephen B. Soumerai, F. Zhang et al. · Journal of Clinical Pharmacy and Therapeutics · 2002 · 3.3K citations

Pharmacy, Pharmaceutical Policy, Causal Inference +15

Decline in Invasive Pneumococcal Disease after the Introduction of Protein–Polysaccharide Conjugate Vaccine

Cynthia G. Whitney, Monica M. Farley, James L. Hadler et al. · New England Journal of Medicine · 2003 · 2.2K citations · Full text

Veterinary Medicine, Infectious Disease Control, Infectious Diseases +17

Recommendations of the Advisory Committee on Immunization Practices (ACIP)

Rafael Harpaz, Ismael R. Ortega‐Sanchez, Jane F. Seward · 2008 · 1.3K citations

Public Affairs, Health Policy, Preventive Medicine +14

A Trial of a 9-Valent Pneumococcal Conjugate Vaccine in Children with and Those without HIV Infection

Keith P. Klugman, Shabir A. Madhi, Robin Huebner et al. · New England Journal of Medicine · 2003 · 1K citations · Full text

Veterinary Medicine, Infectious Diseases, Pediatrics +17