[lemma=")"] [lemma=","] [lemma=and] [lemma=a]? [□=□]
[lemma=")"] [lemma=","] [lemma=and] [lemma=a]? [lemma=□]
Two-thirds of all ambulance service personnel are male , with a larger proportion of female staff in rural areas ( 41 percent ) than in urban areas ( 20 percent ) , and a larger proportion of female ambulance personnel are volunteers ( 67 percent females v. 55 percent males ) .