OPIOID PEPTIDES IN AMPHIOXUS DURING BREEDING SEASON
Affiliation:
SHEN WEI-BIN YIN HONG WANG HONG AND ZHANG CHONG-LI(Laboratory of Experimental Marine Biology, Institute of Oceanography, Qingdao 266071; Department of Endocrinology, Institute of Zoology, Academia Sinica, Beijing 100080, PRC)