Raman spectra of a Lower Cambrian ctenophore embryo from southwestern Shaanxi, China.
Chen JY, Schopf JW, Bottjer DJ, Zhang CY, Kudryavtsev AB, Tripathi AB, Wang XQ, Yang YH, Gao X, Yang Y.
Chen JY, et al. Among authors: schopf jw.
Proc Natl Acad Sci U S A. 2007 Apr 10;104(15):6289-92. doi: 10.1073/pnas.0701246104. Epub 2007 Apr 2.
Proc Natl Acad Sci U S A. 2007.
PMID: 17404242
Free PMC article.