We determined the response of Betula pendula Roth. trees to a restricted water supply, and quantified the interactions between tree N and water status on leaf demography and internal N cycling. In April 1993, 3-year-old trees were planted in sand culture and four treatments applied: high-N supply (56 mg tree(-1) week(-1)) with either 2 dm(3) water week(-1) (HN+) or 0.9 dm(3) water week(-1) (HN-...

HYPOTHESIS Despite the success of infrainguinal arterial bypass in diabetic limb and foot salvage, optimism remains guarded because of purported high late mortality and limb loss in patients with diabetes. DESIGN Inception cohort, with minimum 5-year follow-up. SETTING Tertiary referral center. PATIENTS Eight hundred forty-three consecutive patients undergoing lower extremity arterial rec...

BACKGROUND In spite of an increase in the incidence and prevalence diabetes mellitus (DM) Alzheimer's disease (AD) aging population worldwide, limited attention has been paid to their potential association. AIM To investigate association DM cardiometabolic syndrome (CMS, a precursor DM) with risk incident AD among postmenopausal women. METHODS Postmenopausal women aged 50-79 (n = 63117) who par...

tomato is the most important agricultural crops in bushehr province. this experiment was conducted on a randomized complete block design (r.c.b.d.) with 15 treatments cultivars and 4 replications in the borazjan research station during two consecutive cropping seasons (1995-97) to find tomato cultivars with high yield and quality and suitable for the region. cultivars had been selected among 60...

M e t h o d s Data sources: MEDLINE (1966 to July 2006), EMBASE/Excerpta Medica (1980 to July 2006), Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews (Issue 2, 2006), references of relevant articles, and experts in the field. Study selection and assessment: Randomized controlled trials (RCTs) that evaluated an intervention to delay or prevent type 2 DM in ...