title: The importance of accurate sample size calculations in clinical trials.
authors.affiliation: Metabolic Bone Diseases Research Group, Nursing and Occupational Therapy College, University of Extremadura, Cáceres, Spain. jmmorang@unex.es.
authors.forename: Jose M
authors.initials: JM
authors.lastname: Moran
authors.affiliation: Metabolic Bone Diseases Research Group, Nursing and Occupational Therapy College, University of Extremadura, Cáceres, Spain.
authors.forename: Ignacio
authors.initials: I
authors.lastname: Aliaga
authors.affiliation: Metabolic Bone Diseases Research Group, Nursing and Occupational Therapy College, University of Extremadura, Cáceres, Spain.
authors.forename: Juan D
authors.initials: JD
authors.lastname: Pedrera-Zamorano
mesh_terms: D006801:Humans; D010024:Osteoporosis; D010146:Pain; D010865:Pilot Projects; D011788:Quality of Life; D018401:Sample Size