| a comparative study of intestinal helminths in pre-school-age urban and rural children in morobe province, papua new guinea. | children aged between 1 month and 10 years from one rural coastal locality, two rural upland localities and two urban localities in morobe province, papua new guinea were examined between september 1980 and september 1982. hookworm (predominantly necator americanus), ascaris lumbricoides and trichuris trichiura increased in prevalence with age. the prevalence of strongyloides fuelleborni subspecies kellyi, where present, was either highest in the < 1 year age group or similar in all age groups. ... | 2014 | 25423854 |