[Proceedings: New contrast medium for digestive orientation: barium titanate. Radiological study of the hypopharynx and esophagus with barium titanate].
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Biomedical subjects
Publications and source records attributed to G Petit.
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Onchocerca tarsicola is recorded from reindeer (Rangifer tarandus L.). This parasite is originally described from red deer (Cervus elaphus L.). There are indications that reindeer may not be the primary host of O. tarsicola: 1. Reindeer is parasitized only by O, tarsicola whereas red deer, due to speciations, is carrying three related Onchocerca species from the same line. 2. O. tarsicola, usually found along tendons distal of the tarsal and carpal joints, is in reindeer frequently found at aberrant locations which is commonly observed in connection with "transfuga" parasites. 3. Heavy infestations of O. tarsicola in reindeer seem to have started in the late sixties and since then have become more and more extensive.
The counts of ferruginous bodies (pulmonary-coated mineral fibers) in sputum samples from inhabitants in each of the two agricultural villages of Karain and Tusköy (Cappadocia, central Turkey) increased with subjects' age, whereas 94% of samples collected in the neighboring villages were free of ferruginous body. These findings are consistent with the previous hypothesis that the very high frequency of mesothelioma in Karain and Tusköy was related to exposure to airborne mineral fibers of natural origin.
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