+/**
+ * \brief Get the next entry while visiting the DicomDirStudies
+ * \note : meaningfull only if GetFirstEntry already called
+ * \return The next DicomDirStudies if found, otherwhise NULL
+ */
+DicomDirStudy *DicomDirPatient::GetNextStudy()
+{
+ gdcmAssertMacro (ItStudy != Studies.end())
+
+ ++ItStudy;
+ if (ItStudy != Studies.end())
+ return *ItStudy;
+ return NULL;
+}
+
+/**
+ * \brief Get the first entry while visiting the DicomDirStudy
+ * \return The first DicomDirStudy if found, otherwhise NULL
+ */
+DicomDirStudy *DicomDirPatient::GetLastStudy()
+{
+ ItStudy = Studies.end();
+ if (ItStudy != Studies.begin())