A natural generalization of the criticality notion in a network with fuzzy activity times is given. It consists in direct application of the extension principle of Zadeh to the notion of criticality of a path (an activity, an event) treated as a function of the activities duration times in the network. There are shown some relations between the notion of fuzzy criticality, introduced in the pap...

background and aims: osteoarthritis is one of the most common arthritis in elderly. we evaluated to compare the effect of topical application of eugenia caryophylata extract and topical diclofenac in primary knee osteoarthritis.methods: this randomized double-blind clinical trial study was carried out upon 105 patients with primary knee osteoarthritis. patients were selected randomly and divide...