TY - JOUR T1 - Reply JO - Journal of Public Health PY - 1994/01/01 AU - Mcguire A AU - Shackley P ED - DO - DOI: 10.1093/oxfordjournals.pubmed.a042917 VL - 16 IS - 1 SP - 116 EP - 117 Y2 - 2024/12/22 ER -