Heukelbach, Jorg, Meyer-Cirkel, Vanessa, Moura, Rômulo César Sabóia, Gomide, Marcia, Queiroz, José Ajax Nogueira, Saweljew, Peter, and Liesenfeld, Oliver (2007) Waterborne toxoplasmosis, northeastern Brazil. Emerging Infectious Diseases, 13 (2). pp. 287-289.

Ariza, Liana, Gomide, Marcia, Ramos Jr., Alberto Novaes, Leggat, Peter A., and Heukelbach, Jörg (2007) Survey of visitors to a National Park in the savannah region of northeast Brazil: practices, incidents and hazardous situations. Travel Medicine and Infectious Disease, 5 (1). pp. 1-6.

Ariza, Liana, Seidenschwang, Martin, Buckendahl, John, Gomide, Marcia, Feldmeier, Hermann, and Heukelbach, Jörg (2007) Tungiasis: a neglected disease causing severe morbidity in a shantytown in Fortaleza, state of Ceará. Sociedade Brasileira de Medicina Tropical. Revista , 40 (1). pp. 63-67.