Mutations in the TP53 gene and protein expression of p53, MDM 2 and p21/WAF-1 in primary cervical carcinomas with no or low human papillomavirus load. - Helland,A.; Karlsen,F.; Due,E.U.; Holm,R.; Kristensen,G.; Borresen-Dale,A.l. (Br J Cancer, 1998)