title: Phthalazinol, thrombocytopenia, and amyotrophic lateral sclerosis.
mesh_terms: D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000188:drug therapy*; D006801:Humans; D008297:Male; D010726:Phosphodiesterase Inhibitors / Q000008:administration & dosage / Q000627:therapeutic use*; D013921:Thrombocytopenia / Q000188:drug therapy*
chemical_list: D010726:Phosphodiesterase Inhibitors