P Guerra, A Buogo, E Marubini, M Ghione. Show Affiliations »
Abstract
Entities: Disease
Mesh： See more » African AmericansAfrican Continental Ancestry GroupBacterial VaccinesEthiopiaHumansImmunization ScheduleMedical RecordsPlacebosPunched-Card SystemsTrachoma/immunologyTrachoma/prevention & controlVaccinationWorld Health Organization
Substances： See more » Bacterial VaccinesPlacebos
Year: 1967 PMID： 6025182 DOI： 10.1016/0002-9394(67)94156-6
Source DB: PubMed Journal: Am J Ophthalmol ISSN： 0002-9394 Impact factor: 5.258