00393nam a22001457a 450000500170000000800410001702000220005804100080008008200120008810000190010024500670011926000270018630000140021365000200022720260818143432.0260818b        |||||||| |||| 00| 0 eng d  a978-1-4051-2110-1  aeng  a300.723  aMark Petticrew  aSystematic Reviews in the Social Sciences:bA Practical Guide/  aU.K;bBlackwell,c2006  axv, 336p.  aSocial Sciences