Axone

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	2	3	4

9 (1987)	?	1	?	?
10 (1989)	?	?	1	?
11 (1989)	1	?	?	?
12 (1991)	?	?	1	?
13 (1992)	?	?	?	1
17 (1995)	1	?	?	?
19 (1997)	2	?	?	?
21 (1999)	?	1	?	?
23 (2001)	1	?	?	?
23 (2002)	?	?	1	1