Authors: H Fudenberg; R A Good; H C Goodman; W Hitzig; H G Kunkel; I M Roitt; F S Rosen; D S Rowe; M Seligmann; J R Soothill Journal: Pediatrics Date: 1971-05 Impact factor: 7.124
Authors: P M Smythe; G G Brereton-Stiles; H J Grace; A Mafoyane; M Schonland; H M Coovadia; W E Loening; M A Parent; G H Vos Journal: Lancet Date: 1971-10-30 Impact factor: 79.321