TY - JOUR A1 - Modin, B. T1 - Birth order and mortality: a life-long follow-up of 14,200 boys and girls born in early 20th century Sweden Y1 - 2002 DO - 10.1016/S0277-9536(01)00080-6 JF - Social Science & Medicine VL - 54 IS - 7 SP - 1051 EP - -1064 ER -