TY  - GEN
AU  - Plotkin,Stanley A
TI  - Why certain vaccines have been delayed or not developed at all
SN  - 0278-2715
PY  - 2005///0713
KW  - Developing Countries
KW  - Drug Approval
KW  - legislation & jurisprudence
KW  - Drug Industry
KW  - economics
KW  - Government Regulation
KW  - Public Health Administration
KW  - United States
KW  - Vaccines
KW  - supply & distribution
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1377/hlthaff.24.3.631
ER  -