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These recommendations and procedures apply to the analytical tests performed by the Centre de toxicologie du Québec as part of research activities. They deal with the sampling and sending of biological tissues.

These recommendations and procedures apply to the analytical tests performed by the Centre de toxicologie du Québec (CTQ) as part of epidemiological research and surveys.

Breast and nipple shape, size and colour vary from one woman to another, and sometimes even from one breast to the other. Most newborns adapt easily to their mothers’ breasts. For unknown reasons, however, there are some babies who have more difficulty latching onto flat or inverted nipples.

These recommendations and procedures apply to the analytical tests performed by the CTQ as part of epidemiological research and population surveys. They deal with the preparation and sending of plasma or serum samples.