Quantitative variation in plasma angiotensin-i converting enzyme activity shows allelic heterogeneity in the ABO blood group locus

Chikashi Terao, Nervana Bayoumi, Colin A. McKenzie, Diana Zelenika, Shigeo Muro, Michiaki Mishima, John M C Connell, Mark A. Vickers, G. Mark Lathrop, Martin Farrall, Fumihiko Matsuda, Bernard D. Keavney^*, The Nagahama Cohort Research Group

^*Corresponding author for this work