Authors: R E Joce; J Bruce; D Kiely; N D Noah; W B Dempster; R Stalker; P Gumsley; P A Chapman; P Norman; J Watkins Journal: Epidemiol Infect Date: 1991-12 Impact factor: 2.451
Authors: A J Richardson; R A Frankenberg; A C Buck; J B Selkon; J S Colbourne; J W Parsons; R T Mayon-White Journal: Epidemiol Infect Date: 1991-12 Impact factor: 2.451