| Publication Type: | Article | 
| Journal Name: | Health Affairs | 
| Full Citation: | Aaron Kesselheim / Health Affairs / Vol. 35 No. 2 / 219-226 | 
| External Link: | Vaccine Pipeline Has Grown During The Past Two Decades With More Early-Stage Trials From Small And Medium-Size Companies | 
| Media Source: | Health Affairs | 
| People: | Aaron Kesselheim | 
