Authors: G N Kent; R I Price; D H Gutteridge; K J Rosman; M Smith; J R Allen; C J Hickling; S L Blakeman Journal: Calcif Tissue Int Date: 1991-04 Impact factor: 4.333
Authors: F Aguado; M Revilla; E R Hernández; M Menéndez; J Cortés-Prieto; L F Villa; H Rico Journal: Am J Obstet Gynecol Date: 1998-05 Impact factor: 8.661