Associations between nitric oxide synthase genes and exhaled NO-related phenotypes according to asthma status. oleh Emmanuelle Bouzigon, Florent Monier, Mekki Boussaha, Nicole Le Moual, Hélène Huyvaert, Régis Matran, Sébastien Letort, Jean Bousquet, Isabelle Pin, Mark Lathrop, Francine Kauffmann, Florence Demenais, Rachel Nadif, EGEA Cooperative Group