TY - JOUR T1 - Infantile hypertrophic pyloric stenosis in Greater Manchester. JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 149 LP - 152 DO - 10.1136/jech.37.2.149 VL - 37 IS - 2 AU - J P Walsworth-Bell Y1 - 1983/06/01 UR - http://jech.bmj.com/content/37/2/149.abstract N2 - An "unprecedented" rise in the incidence of infantile hypertrophic pyloric stenosis (IHPS) was reported from the Central Region of Scotland in 1979. Examination of statistics from Greater Manchester showed a similar trend in some district health authorities but not others. Possible explanations are examined but future research is required. Hospital Activity Analysis can provide a useful tool for such research. ER -