"Something is wrong with your milk": Qualitative study of maternal dietary restriction and beliefs about infant colic.

Objective: To investigate new mothers' perceptions about the role of maternal diet in infant fuss-cry behaviour, and to explore patterns of food restriction in breastfeeding women.

Design: Qualitative study.

Setting: Calgary, Alta.

Sociodemographic Correlates of Clinical Laboratory Test Expenditures in a Major Canadian City.

Objectives: The increasing cost of clinical laboratory testing is a challenge in our health care system. This study aims to calculate the annual clinical laboratory test costs attributed to patients in a major Canadian city and to correlate them to their sociodemographic variables.

Methods: Retrospective cohort study involving patients who received clinical chemistry, hematology, and microbiology tests in 2011 in Calgary, Canada (n = 610,409).