Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Rietveld refinement for selected samples: (a) synthetic OHA; (b) bioapatite in the adult bone sample; and (c) bioapatite in fetal bone sample (16 weeks old). Each panel reports the observed and refined data, almost indistinguishable (top trace); their difference (bottom trace), shifted for clarity; and the calculated reflection positions (middle points).
