Twin research
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
| | | | | | |
| 1 (1998) | ? | ? | 2 | 2 | ? | ? |
| 2 (1999) | 2 | 7 | ? | ? | ? | ? |
| 3 (2000) | ? | ? | 1 | 6 | ? | ? |
| 4 (2001) | 1 | 1 | ? | ? | ? | ? |
| 5 (2002) | 3 | 2 | ? | ? | 4 | ? |
| 6 (2003) | ? | 4 | 1 | ? | ? | 3 |
| 7 (2004) | 1 | 1 | ? | ? | 1 | 3 |