LITERÁK, Ivan et al. The nematode Diplotriaena henryi (Nematoda: Diplotriaenoidea) as the possible cause of subcutaneous emphysema and respiratory insufficiency in a great tit (Parus major). In Helminthologia. ISSN 0440-6605. Bratislava : Slovak Academic Press, 2003, vol., no. 1, s. 23-25.