Example sentences of "patients [verb] have a [noun sg] " in BNC.

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1 The patients studied had a range of asthma severity , with maximal period diurnal variation in peak expiratory flow ranging from 23 to 79% and from 0.11 to 102.0 mg/ml being required to cause a 20% drop in forced expiratory volume ( PC 2 ) .
2 By contrast , some patients seem to have a frequency that is rarely less than 10 in 24 hours and need to take antidiarrhoeal agents and modify their diet .
3 And now GPs in affected areas are advising patients to consider having a vaccine , which would give immunity for up to six months .
4 Five patients had had a postmortem examination but only one showed evidence of asthma .
5 Three patients refused endoscopy , two refused sigmoidoscopy , and nine patients refused to have a barium enema or colonoscopic examination .
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