NLN publications

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

	14	15	21	41	52	1506	1647	2408	2461	2464	2465	2472	2612

(1973)	?	?	1	?	?	C	?	?	?	?	?	?	?
(1976)	?	?	?	?	1	?	C	?	?	?	?	?	?
(1991)	?	?	1	?	?	?	?	C	?	?	?	?	?
(1992)	?	4	?	1	?	?	?	?	C	C	C	C	?
(1994)	1	?	?	?	?	?	?	?	?	?	?	?	C