[Study of cancer-associated asthenia: foundation of the ASTHENOS group].
D001247:Asthenia / Q000209:etiology*; D006801:Humans; D009369:Neoplasms / Q000150:complications*; D012952:Societies / Q000458:organization & administration*; D013030:Spain
Estudio de la astenia tumoral: constitución del grupo ASTHENOS.