information about Pack-year field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Medicine 49.4M papers | Internal medicine 20.6M papers | Cigarette smoking 18.3k papers | |
| Current | |||
Pack-year 475 papers | |||
| Child | |||
Trends
Notes
History
| Parent | |||
|---|---|---|---|
Medicine 49.4M papers | Internal medicine 20.6M papers | Cigarette smoking 18.3k papers | |
| Current | |||
Pack-year 475 papers | |||
| Child | |||