TY - GEN AU - D'Alessandro,R TI - d-Phenylalanine does not affect nociceptive, flexion reflex thresholds in normal humans SN - 0003-2999 PY - 1983///0920 KW - Double-Blind Method KW - Endorphins KW - metabolism KW - Humans KW - Pain KW - physiopathology KW - Phenylalanine KW - pharmacology KW - Reflex KW - drug effects N1 - Publication Type: Letter ER -