1844
Molecular cloning and characterization of a new member of the rat placental prolactin ( PRL ) family , PRL - like protein H .
 GENE: rat placental prolactin; GENE: PRL; GENE: PRL; GENE: protein H
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: rat placental prolactin; GENE: PRL; GENE: PRL; GENE: protein H