منابع مشابه
Latin squares with prescriptions and restrictions
We investigate the question of when it is possible to produce an n × n Latin square that abides by two types of specifications: the prescription that a certain symbol be used in a certain cell, and the restriction that a certain symbol must not be used in a certain cell. When only one or two distinct symbols are involved in the specifications, we solve the problem completely.
متن کاملAntibiotic Prescriptions in Critically-Ill Patients: A Latin American Experience
BACKGROUND It is widely acknowledged that the presence of infection is an important outcome determinant for intensive care unit (ICU) patients. In fact, antibiotics are one of the most common therapies administered in the ICU settings. AIM To evaluate the current usage of antibiotics in Latin American ICUs. SUBJECTS AND METHODS A one-day p-oint prevalence study to investigate the patterns o...
متن کاملAntibiotics in Qazvin Pysicians' Prescriptions
ABSTRACT Inappropriate antibutic prescription cause both microbic resistance and imposition of heavy and useless expenditure on patient and remedy-drug system. To analyse prescription indexes regarding antibutics in Qazvin physicians' prescriptions, this descriptive study was conducted on 2100 regular, randomly sampled prescriptions of general physicians, specialists and dentists. These docum...
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ژورنال
عنوان ژورنال: The Boston Medical and Surgical Journal
سال: 1846
ISSN: 0096-6762,1533-4406
DOI: 10.1056/nejm184602180340301