Probit LD_50: P(death | log D) = Φ((log D − μ)/σ); LD_50 = 10^μ; slope 1/σ normal

Layer 3 — Biologyin the toxicology subtree

Probit LD_50 framework — the canonical log-normal quantal-response-curve model in classical toxicology (Bliss 1934 probit transformation; Finney 1952 book; modern EPA BMDS software). Setup: experimental subjects are exposed to a range of…

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