TY  - JOUR 
T1  - The pineal neurohormone melatonin and its physiologic opiatergic immunoregulatory role
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Maestroni, Georges J. M.
A1  - Conti, Ario
A1  - Pierpaoli, Walter
SN  - 0074-0276
UL  - 10.1590/S0074-02761987000600012
VL  - 82 
Y1  - 1987
PB  - Brasil 
ER  -