title: Needles, haystacks and grails: the challenges and promise of tuberculosis vaccine trials.
authors.forename: Kevin
authors.initials: K
authors.lastname: Schwartzman
mesh_terms: D001500:BCG Vaccine; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D018579:Patient Selection; D012424:Rural Population / Q000706:statistics & numerical data*; D014376:Tuberculosis / Q000517:prevention & control*
chemical_list: D001500:BCG Vaccine