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Wakefield M, Germain D, Durkin S, and Henriksen L

Here are some relevant points about direct observation that researchers should keep in mind: Observation always occurs in normal, natural settings and contexts

When ICD-9 was released in 1978, the International Classification of Procedures in Medicine (ICPM) was also published by the WHO (World Health Organization 1978)

"If you're in the Frontier Room or the Rendezvous," he said, "you can't tell who's going to mind the smoking or not because there's a different crowd there every night." Knowing the clientele Sitting at a table by the closed curtains, Jonathan Louden and Sarah Welch are both smoking

Are smoking areas available at every terminal