FREQUENT PRESENCE OF HELICOBACTER PYLORI GENOME IN THE SALIVA OF PATIENTS WITH HYPEREMESIS GRAVIDARUM - Hayakawa, Satoshi; Nakajima, Noriko; Karasaki-Suzuki, Miki; Yoshinaga, Haruki; Arakawa, Yasuyuki; Satoh, Kazuo; Yamamoto, Tatsuo (American Journal of Perinatology, 2000)