Branch links a health practice to the field of medicine it grew out of. Wikipedia describes Ignaz Semmelweis as "an early pioneer of antiseptic procedures" whose hand washing requirement began inside obstetrics, the branch where childbed fever was killing new mothers. This dimension groups practices that belong to the same branch of health work.
Facts
Comparison
Era of Emergence Branch
Sources
1. Wikipedia: Safe Drinking Water Act
WikipediaSafe Drinking Water Act, lead sectionQuote, Safe Drinking Water Act, lead section
Signed into law by President Gerald Ford on December 16, 1974
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