title: Fluctuation of ELISA and skin biopsy results in individual inhabitants re-examined after several months in the endemic area of Guatemalan onchocerciasis.
mesh_terms: D001706:Biopsy; D004797:Enzyme-Linked Immunosorbent Assay; D006166:Guatemala; D006801:Humans; D008842:Microfilariae; D009855:Onchocerciasis / Q000175:diagnosis* / Q000453:epidemiology / Q000469:parasitology; D012867:Skin / Q000469:parasitology