PPeptic ulcer in twinsPeptic ulcer in twinsde Göran EberhardMateriasDiseases in twinsFamilial & geneticGenetic aspectsGenetic aspects of Peptic ulcerPeptic ulcerPsychophysiologic DisordersPsychosomatic aspectsPsychosomatic aspects of Peptic ulcerPeptic UlcerEdiciones (1)Peptic ulcer in twins. (1968)Munksgaard · inglés