title: [Preface: Hygienic study in the field of space medicine].
authors.forename: Kenichi
authors.initials: K
authors.lastname: Iwasaki
mesh_terms: D000337:Aerospace Medicine / Q000639:trends; D002320:Cardiovascular Physiological Phenomena; D002560:Cerebrovascular Circulation / Q000502:physiology; D003359:Cosmic Radiation; D018504:Ecological Systems, Closed; D006801:Humans; D013315:Stress, Psychological; D015431:Weight Loss