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Visual reinforcement audiometry (VRA) is a key behavioural test for evaluating hearing in young children. [ 1 ] [ 2 ] First introduced by Liden and Kankkunen in 1969, VRA is a good indicator of how responsive a child is to sound and speech and whether the child is developing awareness to sound as expected.
Bovine serum albumin (BSA or "Fraction V") is a serum albumin protein derived from cows. It is often used as a protein concentration standard in lab experiments. The nickname "Fraction V" refers to albumin being the fifth fraction of the original Edwin Cohn purification methodology that made use of differential solubility characteristics of plasma proteins.
The Boy Scouts of America (BSA), one of the largest private youth organizations in the United States, has policies which prohibit those who are not willing to subscribe to the BSA's Declaration of Religious Principle, which has been interpreted by some as banning atheists, [1] and, until January 2014, prohibited all "known or avowed homosexuals", from membership in its Scouting program. [2]
Scouts BSA Handbook is the official handbook of Scouts BSA, published by the Boy Scouts of America. It is a descendant publication of Baden-Powell 's original handbook, Scouting for Boys , which has been the basis for Scout handbooks in many countries, with some variations to the text of the book depending on each country's codes and customs.
Bis(trimethylsilyl)acetamide (BSA) is an organosilicon compound with the formula MeC(OSiMe 3)NSiMe 3 (Me = CH 3). It is a colorless liquid that is soluble in diverse organic solvents, but reacts rapidly with moisture and solvents containing OH and NH groups .
There was an average BSA of 1.73 m 2 for 3,000 cancer patients from 1990 to 1998 in a European Organisation for Research and Treatment of Cancer (EORTC) database. [19] During 2005 there was an average BSA of 1.79 m 2 for 3,613 adult cancer patients in the UK. Among them the average BSA for men was 1.91 m 2 and for women was 1.71 m 2. [20]
gloch/istockphotoWhen it comes to the Boy Scouts, most people think of campfires, knot-tying, and merit badges earned through team work, determination, and perhaps a bit of elbow grease. But for ...
Varsity Scouting was a program of the Boy Scouts of America (BSA). It was an alternative available to boys ages fourteen to eighteen until the end of 2017. It used the basic Boy Scouting program and added high adventure, sporting, and other elements that were more appealing to older youth to accomplish the aims of character development, citizenship training, and personal fitness. [3]