Интересная книжица... Вот бы почитать: AOSpine Outcomes Measures and Instruments Jens R Chapman, Beate P Hanson, Joseph R Dettori, Daniel C Norvell Published 2007 289 pages The americas ISBN 987-1-60406-000-3 (TPN) Rest of World ISBN 978-3-13-147981-5 (TPS)