Forward and Backward Compatibility Deign Techniques Applying the HL7 FHIR Standard. - Igor Bossenko; Gunnar Piho; Peeter Ross (HEDA@Petri Nets, 2022)

Evaluating business meta-models for semantic interoperability with FHIR resources. - Rainer Randmaa; Igor Bossenko; Toomas Klementi; Gunnar Piho; Peeter Ross (HEDA@Petri Nets, 2022)

Migration from HL7 CDA to FHIR in Infectious Disease System of Estonia. - Igor Bossenko; Kerli Linna; Gunnar Piho; Peeter Ross (pHealth, 2022)

Migration from HL7 Clinical Document Architecture (CDA) to Fast Health Interoperability Resources (FHIR) in Infectious Disease Information System of Estonia. - Igor Bossenko; Kerli Linna; Gunnar Piho; Peeter Ross (SAC, 2023)

Modelling a Patient Identifier System in the Estonian National Health Information System. - Igor Bossenko; Gunnar Piho; Peeter Ross (ICDEc (2), 2024)

Comparative Analysis of Clinical Terminology Servers: A Quest for an Improved Solution. - Marina Ivanova; Igor Bossenko; Gunnar Piho; Peeter Ross (ICDEc (2), 2024)

TermX: A Game Changer in the Healthcare Interoperability. - Igor Bossenko; Gunnar Piho; Peeter Ross (MIE, 2024)

Standardizing X-Ray and Angiography Procedure Coding in Estonia: Validating TermX Through the Implementation of SNOMED CT. - Merit Marquis; Igor Bossenko; Peeter Ross (MIE, 2024)

Interoperability of health data using FHIR Mapping Language: transforming HL7 CDA to FHIR with reusable visual components. - Igor Bossenko; Rainer Randmaa; Gunnar Piho; Peeter Ross (Frontiers Digit. Health, 2024)

TermX: The semantic interoperability, knowledge management and sharing platform. - Igor Bossenko; Gunnar Piho; Marina Ivanova; Peeter Ross (SoftwareX, 2024)

Towards Dependable, Interoperable and Evolvable Personal Health Data Spaces Within the European Health Data Space. - Gunnar Piho; Igor Bossenko; Marten Kask; Peeter Ross; Toomas Klementi (ICT4AWE, 2025)