Authors: T Bjerkedal; A Czeizel; J Goujard; B Kallen; P Mastroiacova; N Nevin; G Oakley; E Robert Journal: Lancet Date: 1982-11-13 Impact factor: 79.321
Authors: R W Smithells; S Sheppard; C J Schorah; M J Seller; N C Nevin; R Harris; A P Read; D W Fielding Journal: Lancet Date: 1980-02-16 Impact factor: 79.321