Public health papers
Articles in SafetyLit 
 Y-Axis = Volume :: X-Axis = Issue 
?=unknown status :: X=no issue published :: nn=articles from issue :: A=relevant article(s) IDed to add
S=searched, nothing  relevant :: O=issue published but not yet searched :: C=combination issue
 |  |  | 
| 0 (1974) | ? | 1 | 
| 5 (1961) | 1 | ? | 
| 14 (1962) | 1 | ? | 
| 25 (1964) | 1 | ? | 
| 26 (1965) | 1 | ? | 
| 35 (1968) | 1 | ? | 
| 81 (1985) | 1 | ? |