Trends in biotechnology

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

	5	7	8	9	12

15 (1997)	?	?	?	1	?
20 (2002)	1	1	?	?	?
24 (2006)	?	?	1	?	?
25 (2007)	?	?	?	?	1
32 (2014)	?	1	?	?	?