Efficacy trial of live, cold-adapted and inactivated influenza virus vaccines in older adults with chronic obstructive pulmonary disease: a VA cooperative study
- 1 May 2003
- journal article
- clinical trial
- Published by Elsevier BV in Vaccine
- Vol. 21 (17-18), 2133-2144
- https://doi.org/10.1016/s0264-410x(02)00748-x