| pulmonary ascariasis in tropical communities. | to determine the incidence of loeffler's syndrome in a tropical region, a survey was conducted over a 1-year period in two locations in colombia, south america, one inland and urban (cali), the other rural and coastal (guapi). among 700 hospitalized patients, 12,000 patients coming to health centers, and 44 families with 328 members, 4 cases of loeffler's syndrome were found--3 during the survey and 1 before it began. only one was typical and of some severity. none of the family members develope ... | 1975 | 1238026 |