Authors: P Echeverria; N R Blacklow; J L Vollet; C V Ulyangco; G Cukor; V B Soriano; H L DuPont; J H Cross; F Orskov; I Orskov Journal: J Infect Dis Date: 1978-09 Impact factor: 5.226
Authors: M Cobeljić; D Mel; B Arsić; L Krstić; B Sokolovski; B Nikolovski; E Sopovski; M Kulauzov; S Kalenić Journal: Epidemiol Infect Date: 1989-08 Impact factor: 2.451