Authors:
GISSLER M
HEMMINKI E
LOUHIALA P
JARVELIN MR
Citation: M. Gissler et al., HEALTH REGISTERS AS A FEASIBLE MEANS OF MEASURING HEALTH-STATUS IN CHILDHOOD - A 7-YEAR FOLLOW-UP OF THE 1987 FINNISH BIRTH COHORT, Paediatric and perinatal epidemiology, 12(4), 1998, pp. 437-455
Citation: P. Louhiala, RISK INDICATORS OF MENTAL-RETARDATION - CHANGES BETWEEN 1967 AND 1981, Developmental Medicine and Child Neurology, 37(7), 1995, pp. 631-636