| D008722 |
Methods |
A series of steps taken in order to conduct research. |
Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique |
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| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
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| D011868 |
Radioisotopes |
Isotopes that exhibit radioactivity and undergo radioactive decay. (From Grant & Hackh's Chemical Dictionary, 5th ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Daughter Isotope,Daughter Nuclide,Radioactive Isotope,Radioactive Isotopes,Radiogenic Isotope,Radioisotope,Radionuclide,Radionuclides,Daughter Nuclides,Daugter Isotopes,Radiogenic Isotopes,Isotope, Daughter,Isotope, Radioactive,Isotope, Radiogenic,Isotopes, Daugter,Isotopes, Radioactive,Isotopes, Radiogenic,Nuclide, Daughter,Nuclides, Daughter |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000293 |
Adolescent |
A person 13 to 18 years of age. |
Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths |
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| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
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| D012907 |
Smoking |
Willful or deliberate act of inhaling and exhaling SMOKE from burning substances or agents held by hand. |
Smoking Behaviors,Smoking Habit,Behavior, Smoking,Behaviors, Smoking,Habit, Smoking,Habits, Smoking,Smoking Behavior,Smoking Habits |
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| D013147 |
Spirometry |
Measurement of volume of air inhaled or exhaled by the lung. |
Spirometries |
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| D014797 |
Vital Capacity |
The volume of air that is exhaled by a maximal expiration following a maximal inspiration. |
Forced Vital Capacity,Capacities, Forced Vital,Capacities, Vital,Capacity, Forced Vital,Capacity, Vital,Forced Vital Capacities,Vital Capacities,Vital Capacities, Forced,Vital Capacity, Forced |
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| D014978 |
Xenon |
A noble gas with the atomic symbol Xe, atomic number 54, and atomic weight 131.30. It is found in the earth's atmosphere and has been used as an anesthetic. |
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