An article was recently published on the relationship between caffeine consumption during pregnancy and low birth weight. The article was based on the results of a case-control study. As you know, caffeine is present in a wide variety of beverages, foods, and medications, including coffee, tea, and colas. The following statements have been taken from the introduction and results sections of the article. Select the Hill's guideline that best describes each statement. Caffeine exposure during pregnancy could have a harmful effect because caffeine interferes with cell division, metabolism, and growth. a Consistency b Dose-response c Temporality d Biological plausibility e Strength of the association