The role of seasonal factor in congenital abnormality forming - O. V. Antonov; Ye. V. Bogachyova; A. A. Komarova; I. V. Antonova; A. A. Velmatova; G. A. Kovalyova; S. N. Maltsev; K. V. Mitrofanov (Бюллетень сибирской медицины, 2012)