THE EFFECT OF COMMUNITY AND CHAPTER CHARACTERISTICS ON BLOOD DONATIONS.
D001782:Blood Donors; D004467:Economics; D006801:Humans; D009820:Ohio; D011593:Psychology, Social; D011634:Public Health; D012111:Residence Characteristics; D012924:Social Conditions; D013223:Statistics as Topic; D014837:Voluntary Health Agencies
BLOOD DONORS; ECONOMICS; OHIO; PSYCHOLOGY, SOCIAL; PUBLIC HEALTH; SOCIAL CONDITIONS; STATISTICS; VOLUNTARY HEALTH AGENCIES