Maternal cardiovascular hemodynamics in a patient with mitral prosthetic heart valve evaluated with impedance cardiography and echocardiography.

The recent publication on plagiarism and duplication is really useful and interesting. Kıraç described for the difficulty in differentiation between the two scenarios (1). Indeed, any of the two scenarios are not acceptable in scientific publication. However, the important concept in judging of these problems should be based on the intention of the accused plagiarist. Sometimes, the problems might be due to some acceptable causes such as the accidental errors by the publisher. Not only the journal but also the reader can help identify and control of present widespread of plagiarism and duplication.