.... 86 : 232 – 236 . 15. Soto, D. and Kumar. S. 1992 . Improved detection of mutations in the p 53 gene in human tumors as single-stranded conformation polymorphs and double-stranded heteroduplex DNA. PCR Methods Applic. 2 : 96 – 98 . 16. Beck, J.S., Kwitek, A.E. Cogen, P.H. Metzger, A.K. Duyk, G...