TY - GEN AU - Gunatilleke , Godfrey AU - Perera , P.D.A. AU - Fernando , Joel AU - Fernando , Eardley TI - Seasonality and health: a study of the socio-economic environment of ill-health in five locations U1 - 362.1 PY - 1988/// CY - Colombo PB - Marga Institute KW - PHYSICAL ILLNESS KW - SOCIAL PROBLEMS KW - PUBLIC HEALTH KW - MEDICAL CARE KW - HEALTH CARE ER -