due to|14,184 caused by|8279 secondary to|6499 resulting from|1281 induced by|1281 complicating|2870 as a result of|516 due to a|770 because of|401 attributable to|279 was due to|198 as a complication of|836 caused by a|649 owing to|175 is a common complication of was caused by|181 due to severe|187 is caused by|251 attributed to|184 due to the|230 caused by the due to an|260 produced by|221 due to chronic|146 secondary to a|407 arising from|406