Authors: R C Coombes; G C Easty; S I Detre; C J Hillyard; U Stevens; S I Girgis; L S Galante; L Heywood; I Macintyre; A M Neville Journal: Br Med J Date: 1975-10-25
Authors: G P Talwar; N C Sharma; S K Dubey; M Salahuddin; C Das; S Ramakrishnan; S Kumar; V Hingorani Journal: Proc Natl Acad Sci U S A Date: 1976-01 Impact factor: 11.205