TY - JOUR T1 - PPI in the PLEASANT trial: involving children with asthma and their parents in designing an intervention for a randomised controlled trial based within primary care JO - Primary Health Care Research & Development PY - 2016/02/09 AU - Boote J AU - Julious S AU - Horspool M AU - Elphick H AU - Smithson WH AU - Norman P ED - DO - DOI: 10.1017/S1463423616000025 VL - 17 IS - 6 SP - 536 EP - 548 Y2 - 2024/10/19 ER -