학술논문
PM LETTERS.
Document Type
Letter
Source
Subject
*LETTERS to the editor
*FORCE & energy
*AERONAUTICS in medicine
*HELICOPTER ambulances
*LEGAL status of inventors
*SAFETY
*
*
*
*
*
Language
ISSN
0032-4558
Abstract
Several letters to the editor are presented in response to articles in the July 10, 2010 issue including "Energyland," "Critical Condition," and "Inventor's Handbook."