Kaló, Z., Antal, J., Pénzes, M., Pozsgay, C., Szepezdi, Z., & Nagyjánosi, L. (2014). Contribution of clinical trials to gross domestic product in Hungary. Croat Med J.

Kaló, Zoltán, János Antal, Miklós Pénzes, Csilla Pozsgay, Zsuzsanna Szepezdi, و László Nagyjánosi. "Contribution of Clinical Trials to Gross Domestic Product in Hungary." Croat Med J 2014.

Kaló, Zoltán, et al. "Contribution of Clinical Trials to Gross Domestic Product in Hungary." Croat Med J 2014.