title: Hurdles in the drug discovery of cathepsin K inhibitors.
authors.affiliation: Novartis Institutes for BioMedical Research Tsukuba, Tsukuba, Ibaraki, Japan. motohiko.komeatni@novartis.com
authors.forename: Motohiko
authors.initials: M
authors.lastname: Kometani
authors.forename: Kazuhiko
authors.initials: K
authors.lastname: Nonomura
authors.forename: Takashi
authors.initials: T
authors.lastname: Tomoo
authors.forename: Satoru
authors.initials: S
authors.lastname: Niwa