Question: Based on the case study Oxygen use in premature infants and blindness in this module. What roles did the distribution of disease and biological plausibility

Based on the case study "Oxygen use in premature infants and blindness" in this module. What roles did the distribution of disease and biological plausibility play in suggesting the hypothesis that supplemental oxygen causes infant blindness? and question 2: Discuss the roles played by case-control and cohort studies as well as randomized controlled trials in establishing oxygen supplementation as a contributory cause of blindness in premature infants.

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