In a sub-study, during week 3 of each dietary period, the vascular responses of 15 subjects to glyceryl-trinitrate (GTN) and salbutamol were also studied.

• 亚组研究中，在每一饮食期第3周，研究15例受试者口服硝酸甘油和沙丁胺醇的脉管反应。