TY - STAND AU - E. Hak AU - B. Mulder AU - C. Schuiling-Veninga AU - T. de Vries AU - S. Jick BT - Drug Saf DO - 10.1007/s40264-013-0093-z M1 - 11 PY - 2013 SP - 1097 EP - 104 T2 - Drug Saf TI - Use of acid-suppressive drugs in pregnancy and the risk of childhood asthma: bidirectional crossover study using the general practice research database VL - 36 SN - 0114-5916 ER -