Unequal cluster sizes for trials in English and Welsh general practice: implications for sample size calculations

✍ Scribed by Sally M. Kerry; J. Martin Bland

• Publisher: John Wiley and Sons
• Year: 2001
• Tongue: English
• Weight: 178 KB
• Volume: 20
• Category: Article
• ISSN: 0277-6715
• DOI: 10.1002/1097-0258(20010215)20:3<377::aid-sim799>3.0.co;2-n