Table 1 The detail information for search steps and corresponding results from PubMed (retrieval time: March 3, 2020)

#1

“eldecalcitol”[Supplementary Concept] OR “eldecalcitol”[All Fields]

177

#2

(“diphosphonates”[MeSH Terms] OR “diphosphonates”[All Fields] OR “bisphosphonate”[All Fields]) OR “diphosphonate”[All Fields]) OR “bisphosphonates”[All Fields]) OR Bisphosphate[All Fields] OR (“alendronate”[MeSH Terms] OR “alendronate”[All Fields]) OR (“pamidronate”[MeSH Terms] OR “pamidronate”[All Fields]) OR “zoledronic acid”[All Fields] OR (“ibandronic acid”[MeSH Terms] OR (“ibandronic”[All Fields] AND “acid”[All Fields]) OR “ibandronic acid”[All Fields] OR “ibandronate”[All Fields]) OR (“risedronic acid”[MeSH Terms] OR (“risedronic”[All Fields] AND “acid”[All Fields]) OR “risedronic acid”[All Fields] OR “risedronate”[All Fields]) OR (“clodronic acid”[MeSH Terms] OR (“clodronic”[All Fields] AND “acid”[All Fields]) OR “clodronic acid”[All Fields] OR “clodronate”[All Fields]) OR (“YM 529”[Supplementary Concept] OR “YM 529”[All Fields] OR “minodronate”[All Fields]) OR (“3-(2,2,2-trimethylhydrazine)propionate”[Supplementary Concept] OR “3-(2,2,2-trimethylhydrazine)propionate”[All Fields] OR “mildronate”[All Fields])

57,670

#3

“osteoporosis, postmenopausal”[MeSH Terms] OR (“osteoporosis”[All Fields] AND “postmenopausal”[All Fields]) OR “postmenopausal osteoporosis”[All Fields] OR “osteoporosis”[All Fields] OR “osteoporosis”[MeSH Terms]

87,049

#4

#1 AND #2 AND 3

33