Fig. 7

SAED pattern for Day 1 and 21 hydroxyapatite crystal formation characteristics of (a) 5 wt% Bi (b) 6 wt% Bi and (c) Ref. [15]

SAED pattern for Day 1 and 21 hydroxyapatite crystal formation characteristics of (a) 5 wt% Bi (b) 6 wt% Bi and (c) Ref. [15]