Parental nicotine replacement therapy and offspring bronchitis/bronchiolitis and asthma – a nationwide population-based cohort study by Molero, Y, Zetterqvist, J, Lichtenstein, P, Almqvist, C, Ludvigsson, J

Duration and magnitude of postoperative risk of venous thromboembolism after planned inguinal hernia repair in men: a population-based cohort study by Humes, D, Abdul-Sultan, A, Walker, A, Ludvigsson, J, West, J

Birthweight and the risk of childhood-onset type 1 diabetes: a meta-analysis of observational studies using individual patient data. by Cardwell, C, Stene, L, Joner, G, Davis, E, Cinek, O, Rosenbauer, J, Ludvigsson, J, Castell, C, Svensson, J, Goldacre, M, Waldhoer, T, Polanska, J, Gimeno, S, Chuang, L, Parslow, R, Wadsworth, E, Chetwynd, A, Pozzilli, P, Brigis, G, Urbonaite, B, Sipetić, S, Schober, E, Ionescu-Tirgoviste, C, de Beaufort, C, Stoyanov, D

Maternal age at birth and childhood type 1 diabetes: a pooled analysis of 30 observational studies. by Cardwell, C, Stene, L, Joner, G, Bulsara, M, Cinek, O, Rosenbauer, J, Ludvigsson, J, Jané, M, Svensson, J, Goldacre, M, Waldhoer, T, Jarosz-Chobot, P, Gimeno, S, Chuang, L, Parslow, R, Wadsworth, E, Chetwynd, A, Pozzilli, P, Brigis, G, Urbonaite, B, Sipetic, S, Schober, E, Devoti, G, Ionescu-Tirgoviste, C, de Beaufort, C

Birth order and childhood type 1 diabetes risk: a pooled analysis of 31 observational studies. by Cardwell, C, Stene, L, Joner, G, Bulsara, M, Cinek, O, Rosenbauer, J, Ludvigsson, J, Svensson, J, Goldacre, M, Waldhoer, T, Jarosz-Chobot, P, Gimeno, S, Chuang, L, Roberts, C, Parslow, R, Wadsworth, E, Chetwynd, A, Brigis, G, Urbonaite, B, Sipetic, S, Schober, E, Devoti, G, Ionescu-Tirgoviste, C, de Beaufort, C, Stoyanov, D

Breast-feeding and childhood-onset type 1 diabetes: a pooled analysis of individual participant data from 43 observational studies. by Cardwell, C, Stene, L, Ludvigsson, J, Rosenbauer, J, Cinek, O, Svensson, J, Perez-Bravo, F, Memon, A, Gimeno, S, Wadsworth, E, Strotmeyer, E, Goldacre, M, Radon, K, Chuang, L, Parslow, R, Chetwynd, A, Karavanaki, K, Brigis, G, Pozzilli, P, Urbonaite, B, Schober, E, Devoti, G, Sipetic, S, Joner, G, Ionescu-Tirgoviste, C