Radonbalneology Prof. Dr.med. habil. Dr.rer.nat. Helmut G. Pratzel President of the International Society of Medical Hydrology and Climatology (I.S.M.H.)
OUTCOME-RESEARCH in Thermalism Nuevos retos en medicina The New Challenge of Medicine Helmut G. Pratzel, MD, PhD President of the International Society.
OUTCOME-RESEARCH in Thermalism Nuevos retos en medicina The New Challenge of Medicine
