| Health / Medical Topics |
Ecology
The branch of biology concerned with the relations between organisms and their environment. (NCI Thesaurus)
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A study that compares large groups of people instead of individuals for differences in things such as cancer rates. The groups can…
A study that compares large groups of people instead of individuals for differences in things such as cancer rates. The groups can…
A question associated with the ECOG performance status questionnaire.
Completely disabled. Cannot carry on any selfcare. Totally confined to bed or chair.
Capable of only limited selfcare, confined to bed or chair more than 50% of waking hours.
