Results 221 to 230 of about 17,180 (267)

Regional Anaesthesia Approaches in Head and Neck Surgery: Current Evidence and Clinical Applications. [PDF]

J Clin Med
Maniaci A, Lentini M, Di Modica MS, Parisi FM, Chiesa-Estomba C, Lechien JR, Lombardo GAG, White M, La Via L.   +8 more
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Integrated risk stratification for ICI-associated myocarditis: a baseline hematological profile and a combined ECG and enzymatic signature at onset. [PDF]

Front Immunol
Zheng Z, Dai C, Wu Q, Xie J, Gao M, Li X.   +5 more
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Erector spinae plane block reduces postoperative nausea and vomiting: a systematic review and meta-analysis of 44 randomized trials. [PDF]

Front Med (Lausanne)
Zhao C, Zhu M, Jian J, Zeng J.
europepmc   +1 more source

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On Covering of Balanced Incomplete Block Designs

Canadian Journal of Mathematics, 1964
Given a set E of v elements and given positive integers k (k ≤ v) and λ, we understand by balanced incomplete block design (BIBD) B [k, λ, v] a system of blocks (subsets of E) having k elements each such that every pair of elements of E is contained in exactly λ blocks.A necessary condition for the existence of a design B [k, λ, v] is known to be (4)
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Nearly Balanced Incomplete Block Designs

Biometrika, 1981
Abstract : A class of nearly balanced incomplete block designs is defined. This extends the concept of regular graph designs of John and Mitchell (1977) to the unequally replicated case. Some necessary conditions on the existence of such designs are derived. Methods of construction are given for some special cases. For five or six varieties, the 'best'
Cheng, Ching-Shui, Wu, Chien-Fu
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A Note on Balanced Incomplete Block Designs

Canadian Journal of Mathematics, 1954
A balanced incomplete block design is defined as an arrangement of v objects in b blocks, each block containing k objects all different, so that there are r blocks containing a given object and λ blocks containing any two given objects. Such designs have been studied for their combinatorial interest, as in (3), and also for their application to ...
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