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This paper reports the results of a case control study of non-Hodgkin's lymphoma in the Yorkshire Health Region. In all, 437 cases and 724 controls were interviewed. Risk factors associated with past skin conditions, family history of cancer and infectious mononucleosis, aspects of social life and contact with wood dust and epoxy glues all emerge. A(More)
The effect of housing conditions on sulpiride-induced increases in extracellular dopamine (DA) levels was investigated in the nucleus accumbens (NAC) of P rats. Rats were double-housed (DH) in plastic tubs, or single-housed (SH) in hanging wire cages for 12 weeks. Microdialysis in the NAC showed greater sulpiride-induced DA increases in the NAC of SH vs. DH(More)
Sera from an epidemiological case-control study of leukaemias and lymphomas conducted between 1980 and 1986 were examined for reactivity to human herpesvirus-6 (HHV-6) by an indirect immunofluorescence assay. Statistical analyses of the data revealed higher HHV-6 seroprevalence and antibody titres in the cases, particularly evident in the disease subtypes(More)
AIMS This study was designed to investigate pulsatile ocular blood flow (POBF) in normal tension glaucoma (NTG) patients and in normal controls. NTG patients with unilateral field loss were evaluated to compare POBF values between eyes with and without field loss. METHODS POBF measurements from more than 1500 subjects were collected during a period of 6(More)
OBJECTIVE To determine the effect of long-term topical antiglaucoma therapy on the results of glaucoma filtration surgery and to relate any differences to the cell population profile of the conjunctiva. METHODS Filtration surgery was performed in 124 patients (trabeculectomy in 112 and triple procedures [trabeculectomy, cataract extraction, and(More)
OBJECTIVE To determine the effect of various long-term topical antiglaucoma regimens on the cell population profile of the conjunctiva. METHODS Conjunctival biopsy specimens from 124 patients undergoing filtration surgery were assessed quantitatively by light microscopy. Preoperatively, the patients had used a drug for only a brief period (group A; n =(More)
Ultrasound axial length measurements were obtained on infants under a birthweight of 1500 g or 32 weeks gestation undergoing screening for retinopathy of prematurity (ROP). A total of 496 readings were obtained on 171 infants between 32 and 41 weeks post-conceptual age. Other details recorded were maximum stage of acute ROP, birthweight, gestational age,(More)
Serial ocular A-scan ultrasound biometry was performed on 100 pre-term infants (less than 32 weeks gestation and/or less than 1500 g) who did not show features of retinopathy of prematurity (ROP) during a screening programme. Axial length increased from 15.38 +/- 0.25 mm at 33 weeks post-menstrual age to 16.88 +/- 0.59 mm at 41 weeks (rate of growth 0.18(More)
A retrospective analysis of diurnal variation in intraocular pressure (IOP) in 101 untreated low-tension glaucoma (LTG) patients was carried out to ascertain the role of IOP as a causative factor in the aetiology of optic nerve damage in LTG. The diagnosis of LTG was made only after IOP monitoring as an inpatient, which involved 2 hourly consecutive(More)
Between 1980 and 1986 a case control study of leukaemias aid lymphomas in Yorkshire conducted face to face interviews on 1362 cases and 2442 age and sex matched hospital controls. Case diagnoses were histopathologically confirmed and grouped into non-Hodgkin's lymphomma (NHL), Hodgkin's Disease (HD), malignant lymphocytic lymphoma (MLL.), chronic(More)