| http://www.w3.org/ns/prov#value | - Pain and other symptoms were measured by two different scales: VMS (verbal multidimensional scoring system), which grades pain as none, mild, moderate or severe, and also takes into account the effect on daily activity and whether any painkillers were required; and VAS (visual analogue scale), where a woman can grade her degree of pain on a 10 cm line that starts with no pain at all and ends wit
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