Health Bulletin, Vol. 54

Excerpt from Health Bulletin, Vol. 54: January, 1939; Diphtheria 2, 056 Cases in North Carolina in 1937, "Nature Protects Me My First Six Months"

With this issue the Health Bulletin enters its fifty-fourth year, the present number being Number 1 Это и многое другое вы найдете в книге Health Bulletin, Vol. 54