Epidemiology in medical practice
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Edinburgh
          Churchill Livingstone
    
        c1990. | 
| Rhifyn: | 4th ed. | 
| Pynciau: | 
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Edinburgh
          Churchill Livingstone
    
        c1990. | 
| Rhifyn: | 4th ed. | 
| Pynciau: |