Research Catalog

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Neighboring Subject Headings
Lethaby, W. R (William Richard), 1857-1931	3	9
Lethal Dose 50	-	1
Lethal injection (Execution)	2	2
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Related Headings
Bibliography	2246	10180
Toxicity testing	25	190
Toxicity testing -- Bibliography	-	1
Animal Testing Alternatives	1	17
Toxicology	133	812
Toxicology -- methods	4	55

Subject Heading "Lethal Dose 50"