title: Presynaptic neuromuscular inhibition by delta-aminolevulinic acid, a porphyrin precursor.
mesh_terms: D000818:Animals; D003964:Diaphragm; D004558:Electric Stimulation; D006801:Humans; D066298:In Vitro Techniques; D007982:Levulinic Acids / Q000494:pharmacology*; D009132:Muscles; D009469:Neuromuscular Junction / Q000187:drug effects*; D051381:Rats; D009435:Synaptic Transmission
chemical_list: D007982:Levulinic Acids