(n.) The number greater by a unit than seventeen; eighteen units or objects.
(n.) A symbol denoting eighteen units, as 18 or xviii.
Example Sentences:
(1) Eighteen adult epileptic patients under CBZ therapy were evaluated in this single-blind, randomized cross-over study.
(2) Eighteen of 21 patients had no clinical signs of recurrence after initial therapy.
(3) We performed a combined one-stage approach for the treatment of eighteen spastic subluxated or dislocated hips in eleven children who had cerebral palsy.
(4) Changes of circulating blood volume during isoflurane or sevoflurane anesthesia were investigated by the dual indicator dilution method in eighteen mongrel dogs.
(5) Eighteen rabbits (Kabushikigaishya BioTec Japanese white) were divided into 3 groups.
(6) Buffer mechanism of cerebrospinal fluid (CSF) against acute hypercapnia was studied in eighteen dogs.
(7) Eighteen of the 23 women (78%) had been unable to work during the first day of menstruation, the rate of working days lost was reduced to 4% with ketoprofen and 9 with indomethacin.
(8) Eighteen patients with various mucopolysaccharidoses or mucolipidosis III were studied electrophysiologically to determine the presence or absence of carpal tunnel syndrome.
(9) Eighteen patients had their therapy electively discontinued, and five relapses occurred thereafter.
(10) Eighteen cases (28 eyes) with congenital cataracts are analyzed.
(11) Eighteen control subjects with or without GER were free of upper airway inflammatory process.
(12) Eighteen variables were selected for discriminant analysis, comparing the patients nerver released from the hospital with those known to be current extrainstitutional residents.
(13) One hundred eighteen consecutive patients undergoing valve replacement for aortic stenosis were analyzed to determine the incidence of and predisposing factors to postoperative atrial tachyarrhythmias.
(14) Red blood cell 6TGN concentrations in eighteen leukaemic children receiving chronic 6-mercaptopurine chemotherapy were measured and compared to a previously published spectrophotofluorometric assay.
(15) The efficacy of three different therapeutic regimes was studied in one group by the application of the drug to the entire skin for either five minutes, fifteen minutes, or twelve hours for eighteen days.
(16) Eighteen were followed up for more than 4 years (mean 6.2).
(17) Eighteen total hip replacements were performed in 10 patients with ankylosing spondylitis.
(18) The test plates are incubated at 37 degrees C for a period ranging from thirteen to eighteen hours.
(19) Twenty-six rapidly adapting units (RA), eighteen slowly adapting units (SA) and ten Pacinian corpuscle units (PC) were differentiated from each other mainly on the presence of the off response in RA and PC units to a ramp stimulation, the persistence of discharges of the SA units during steady pressure on the receptive field and the classical tuning curve seen in the PC units.
(20) Fifty-four fractions prepared from eighteen plant species were screened for their inhibitory effects on adenosine 5'-diphosphate, arachidonic acid, or collagen-induced rat platelet aggregation.