Dendrochronological analysis was carried out for 13 historic icons from the collection of the Museum of the Folk Building in Sanok, painted on fir and spruce boards. Eleven sequences of the annual growth rings produced from the analysed fir boards were absolutely dated against the fir dendrochronological standard for S Poland, constructed by E. Szychowska-Krąpiec. Most of the analysed objects d...

Investigation of fossils in lower Eocene Fushun amber from China keeps proving to be of major importance for understanding Eocene Euro-Asian insect diversity and distribution. Three new species of predatory biting midges in the fossil genera Mantohelea and Gedanohelea are described. Mantohelea sinica n. sp., Gedanohelea fushunensis n. sp. and Gedanohelea liaoningensis n. sp. from Eocene Fushun ...

Incidence rates of breast cancer among women with a BRCA1 mutation vary according to their reproductive histories and country of residence. To measure cancer incidence, it is best to follow-up cohort of healthy women prospectively. We followed up a cohort of 675 women with a BRCA1 mutation who did not have breast or ovarian cancer before inclusion and who had a normal clinical examination and m...

Cairns, Stephen D. A Revision of the Ahermatypic Scleractinia of the Galapagos and Cocos Islands. Smithsonian Contributions to Zoology, number 504, 44 pages, 12 plates, 4 tables, 1 map, 1991.—The ahermatypic Scleractinia of the Galapagos and Cocos islands are revised based primarily on the collections of the 1986 expedition of the Johnson-Sea-Link I research submersible. A historical review of ...

Kenk, Roman. Freshwater Triclads (Turbellaria) of North America, IX: The Genus Sphalloplana. Smithsonian Contributions to Zoology, number 246, 38 pages, 62 figures, 1 table.—A revision of the North American species of the genus Sphalloplana is presented. Apart from the nine species already known (S. percoeca, S. georgiana, S. kansensis, S. virginiana, S. weingartneri, S. buchanani, S. pricei, S...

Kenk, Roman. Freshwater Triclads (Turbellaria) of North America, VI: The Genus Dendrocoelopsis. Smithsonian Contributions to Zoology, number 138, 16 pages, 12 figures, 1973.—Five species of Dendrocoelopsis occur in North America, D. vaginata Hyman, D. piriformis Kenk, D. alaskensis Kenk, D. hymanae Kawakatsu, and D. americana [=Sorocelis americana Hyman]. Dendrocoelopsis vaginata, D. piriformis...

Background and Purpose Poland is a country with high morbidity and mortality rates from cardiovascular diseases. No recent studies have evaluated the contribution of cerebrovascular diseases to this morbidity and mortality. Our aim was to accurately determine stroke incidence rates in Warsaw, Poland. Methods A 2-year prospective and population-based stroke registry was maintained for health car...

Kenk, Roman. The Planarians (Turbellaria: Tricladida Paludicola) of Lake Ohrid in Macedonia. Smithsonian Contributions to Zoology, number 280, 56 pages, 57 figures, 1978.—A revision is presented of the planarian fauna of the Lake Ohrid area, known for its richness in endemic species with limited distribution. Apart from the already known four endemic species of Phagocata and ten species of Dend...