Bioavailability of organic nitrates: a comparison of methods for evaluating plethysmographic responses.
Haffty BG, Nakamura Y, Long RA, Hull JH, Spodick DH.
J Clin Pharmacol. 1982 Feb-Mar;22(2-3):117-24. doi: 10.1002/j.1552-4604.1982.tb02658.x.
Digital plethysmography for assessing erythrityl tetranitrate bioavailability.
Hannemann RE, Erb RJ, Stoltman WP, Bronson EC, Williams EJ, Long RA, Hull JH, Starbuck RR.
Clin Pharmacol Ther. 1981 Jan;29(1):35-9. doi: 10.1038/clpt.1981.6.
