Report |
ฉบับอื่นๆ - ดูทั้งหมด
คำและวลีที่พบบ่อย
activities addition administrative approved assistance bacteriology birth Branch Laboratory Bureau Cancer cent Central Staff Engineers Child Hygiene chronic disease City Hospital Cleveland Clinical Columbus communicable diseases completed conferences construction Contract cooperation COSHOCTON County Cuyahoga Dental Health Dental Hygiene Department of Health Diphtheria Director of Health distribution District Engineers Division of Dental Elyria equipment evaluation examined field funds health commissioners health districts Hospital Facilities improvements industrial wastes inspection Lorain maternity Medical municipal Nutrition Ohio Department Ohio State University personnel physicians plans Poliomyelitis Positive projects Public Health Public Health Council Public Health Education Public Health Service pump station registration reported Sandusky sanitarians sanitary sewer sanitation Section sewage treatment sewage treatment plant sewerage sodium fluoride Steubenville stillbirth surveys syphilis tabulating tests total number tuberculosis Tularemia U. S. Public Health VAN WERT venereal disease vital records Vital Statistics water supply water treatment plant water works system WYANDOT X-ray zeolite