title: The prevalence of onchocerciasis and blindness in the population of the Bong Range, Liberia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001706:Biopsy; D001766:Blindness / Q000453:epidemiology* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007988:Liberia; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009855:Onchocerciasis / Q000150:complications / Q000453:epidemiology*; D010808:Physical Examination; D011446:Prospective Studies; D011634:Public Health; D012737:Sex Factors; D012877:Skin Manifestations; D014787:Vision Tests; D014944:World Health Organization