MeSH: Residential Treatment-classification MeSH: Porphyria Cutanea Tarda-parasitology MeSH: Endosulfan-administration & dosage MeSH: beta Lactam Antibiotics-standards MeSH: Porphyria Cutanea Tarda-diet therapy MeSH: beta Lactam Antibiotics-poisoning MeSH: High-Frequency Ventilation-economics MeSH: Prokaryotic Initiation Factors-urine MeSH: Ketoconazole-supply & distribution MeSH: Porphyria Cutanea Tarda-epidemiology MeSH: High-Frequency Ventilation-mortality