title: Authors' reply.
authors.affiliation: Department of Orthopedic Surgery, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand. chatthara@yahoo.com.
authors.forename: Chayanin
authors.initials: C
authors.lastname: Angthong
authors.affiliation: Department of Radiology, Faculty of Medicine HRH Maha Chakri Princess Sirindhorn Medical Center, Srinakarinwirot University, Nakhon Nayok, Thailand.
authors.forename: Wirana
authors.initials: W
authors.lastname: Angthong
mesh_terms: D015502:Absorptiometry, Photon / Q000706:statistics & numerical data*; D015519:Bone Density / Q000502:physiology*; D017610:Calcium Compounds / Q000627:therapeutic use*; D004164:Diphosphonates / Q000627:therapeutic use*; D005260:Female; D050723:Fractures, Bone / Q000150:complications*; D006801:Humans; D008297:Male; D010024:Osteoporosis / Q000175:diagnosis*; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D017610:Calcium Compounds; D004164:Diphosphonates; D014807:Vitamin D