"You may find that the recommendations vary."

The recommendations of the WHI varied in their publications over time, becoming less assertive as the study developed.

The actual process varies according to the laws of the country, and recommendations to donors vary according to the collecting organization.

Published recommendations vary on how to best search for evidence in order to practice evidence-based medicine.

The official recommendations and requirements for crop rotation vary between countries.

Yet, recommendations for isolation distances have varied significantly.

Since there is little formal research backing these experiences, however, doctors' recommendations vary almost as much as patients' opinions.

Dietary recommendations vary with the type of vegetarian diet.

In addition, helmets should be replaced every three to five years; specific recommendations vary by manufacturer.

These recommendations vary by the type of device, and specify tests for safety and efficacy.