A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš, +1

Journal of Chronic Diseases

Prognostic AssessmentLongitudinal StudiesPrognostic ComorbidityRetrospective Cohort StudyPsychiatry +9

Psychophysical bases of perceived exertion

Gunnar Borg

Medicine & Science in Sports & Exercise

Physical ActivityHuman Performance ModelingSocial SciencesKinesiologyPsychophysiology +14

ATS Statement

American Journal of Respiratory and Critical Care Medicine

The Body-Mass Index, Airflow Obstruction, Dyspnea, and Exercise Capacity Index in Chronic Obstructive Pulmonary Disease

Bartolomé R. Celli, Claudia Côté, José M. Marı́n, +5

New England Journal of Medicine

Transcriptional silencing and longevity protein Sir2 is an NAD-dependent histone deacetylase

Shin‐ichiro Imai, Christopher M. Armstrong, Matt Kaeberlein, +1

Nature

Histone ModificationsChromatinTranscriptional RegulationLifespan ExtensionChromatin Remodeling +10

Susceptibility to Exacerbation in Chronic Obstructive Pulmonary Disease

John R. Hurst, Jørgen Vestbo, Antonio Anzueto, +11

New England Journal of Medicine

Evaluation of Clinical Methods for Rating Dyspnea

Donald A. Mahler, Carolyn K. Wells

CHEST Journal

Pulmonary CarePulmonary PhysiologyOutcomes ResearchPulmonary MedicineMedicine +2

Phylogenetic Classification of Prokaryotic and Eukaryotic Sir2-like Proteins

Roy A. Frye

Biochemical and Biophysical Research Communications

Structural BioinformaticsNatural SciencesPhylogenetic ClassificationMolecular BiologyProtein Evolution +3

Decreased Histone Deacetylase Activity in Chronic Obstructive Pulmonary Disease

Kazuhiro Ito, Misako Ito, W. Mark Elliott, +8

New England Journal of Medicine

Nucleocytoplasmic Shuttling of the NAD+-dependent Histone Deacetylase SIRT1

Masaya Tanno, Jun Sakamoto, Tetsuji Miura, +2

Journal of Biological Chemistry