Which of the following stimulates the secretion of gastric juice:
1. Gastrin
2. Enterogasterone
3. Secretin
4. Hepatocrinin
Duodenum has characteristic Brunner's glands which secrete two hormones called:
1. Secretin, Cholecystokinin
2. Prolactin, parathormone
3. Extradiol, progesterone
4. Kinase, estrogen