We coordinatize the Moufang generalized octagons arising from the Ree groups of type 2 F4. In this way, we obtain a very concrete and explicit description of these octagons. We use this to prove some results on suboctagons, generalized homologies, Suzuki-Tits ovoids and groups of projectivities of the Ree octagons. All our results hold for arbitrary Ree octagons, finite or not.

This naturalistic telephone survey study compared perceptions of withdrawal severity in 67 daily cannabis users and 54 daily tobacco cigarette smokers who made quit attempts during the prior 30 days. A Withdrawal Symptom Checklist assessed the severity of abstinence symptoms and a Likert scale assessed perceived relations between abstinence symptoms and relapse. A composite Withdrawal Discomfor...

Immunomodulators are natural or synthetic materials that regulate the immune system and induce innate and adaptive defense mechanisms. These substances are classified into two types, immunostimulants and immunosuppressants. Immunostimulants can enhance body's resistance against various infections through increasing the basal levels of immune response. These agents could increase the oxidative a...

Background and aim: Lichen planus (LP) is an inflammatory papulosquamous disease that affects skin, mucous membranes, nails and hair. As the disease presents in various clinical types, the objective of this study was to determine the frequency of clinical variants of LP in dermatological out-patients in Kerman. Materials and methods: In this study 300 patients with LP were evaluated during 1382...