An example of a research approach that assesses change after the treatment or intervention is over is:

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any of a group of RNA viruses that cause a variety of diseases in humans and other animals.

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The resting membrane potential of a neuron is about -70 mV (mV=millivolt) - this means that the inside of the neuron is 70 mV less than the outside. At rest, there are relatively more sodium ions outside the neuron and more potassium ions inside that neuron.

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