Excerpt from Bulletin of the North Carolina Board of Health, 1913, Vol. 28
The great epidemics of the 70"s brought forcibly to the attention of the people the necessity for organized public health work. Though the first State Board of Health was Это и многое другое вы найдете в книге Bulletin of the North Carolina Board of Health, 1913, Vol. 28 (Classic Reprint) (North Carolina; State Board of Health)