Because the infants in the trials were extremely weak, a minor cold or damage to esophageal muscle leading to difficulty in swallowing could cause the child to choke on milk, leading to pneumonia or even death.
由於實驗對象是非常脆弱的小嬰兒，一個小感冒、或因食道肌肉損壞導致吞嚥困難、喝牛奶嗆到等等，就會引發肺炎，甚至造成意外死亡。