Work ability of nursing personnel: comparison between under and over 35 years old workers - Fischer, Frida Marina; Rotenberg, Lúcia; Landsbergis, Paul; Tanaka, Luiza Hiromi; Soares, Nilson Silva; Teixeira, Liliane Reis; Griep, Rosane Harter; Borges, Flávio Notarnicola da Silva (Ergonomia, 2007)