[Backache in pregnancy--occurrence, diagnosis and background factors].
D001416:Back Pain / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis / Q000453:epidemiology
Ryggbesvär under graviditet--incidens, diagnostik och bakgrundsfaktorer.