Table 2.

Searching strategy and result: take Web of Science as example.

Search subject	Strategy	Result
#1 intervention	((Mg) OR (Mg alloy) OR (magnesium)) AND ((Ca-P)) OR (calcium phosphate) OR (HAP) OR (HA) OR (hydroxyapatite) OR (CaHPO4) OR (brushite) OR (MAO) OR (microarc oxidation) OR (microarc oxidation) OR (microarc oxidized) OR (PEO) OR (MgF2) OR (fluoride) OR (phytic acid) OR (PA))	87,335
#2 object of study	(in vivo) OR (animal experiment)	2,183,529
#3 type of the study	(bone fracture) OR (bone screws) OR (bone plates) OR (fracture) OR (fracture fixation) OR (bone healing) OR (bone defect) OR (bone nails)	949,809
#4 combination of all search keywords	#1, #2, AND #3	558
#5 final results with the limitation in publication date	Search filter for the publication year from 2011 to 2021	425