Stress-induced analgesia prevents the development of the tonic, late phase of pain produced by subcutaneous formalin

The formalin test: A quantitative study of the analgesic effects of morphine, meperidine, and brain stem stimulation in rats and cats

1977 • 2,494 citations

The formalin test in mice: dissociation between inflammatory and non-inflammatory pain

1987 • 2,156 citations

Modified formalin test: characteristic biphasic pain response

1989 • 971 citations

Formalin test in mice, a useful technique for evaluating mild analgesics

1985 • 818 citations

Organization of Endogenous Opiate and Nonopiate Pain Control Systems

1982 • 793 citations

Analgesia from Electrical Stimulation in the Brainstem of the Rat

1971 • 751 citations

Opioid and Nonopioid Mechanisms of Stress Analgesia

1980 • 744 citations

Subcutaneous formalin-induced activity of dorsal horn neurones in the rat: differential response to an intrathecal opiate administered pre or post formalin

1987 • 545 citations

Central nervous system plasticity in the tonic pain response to subcutaneous formalin injection

1990 • 545 citations

Dissociation between antinociceptive and anti-inflammatory effects of acetylsalicylic acid and indomethacin in the formalin test

1986 • 177 citations

Conditioned fear-induced opiate analgesia on the Formalin test: Evidence for two aversive motivational systems

1982 • 159 citations

Brainstem lesions dissociate neural mechanisms of morphine analgesia in different kinds of pain

1982 • 141 citations

Temporal processes of formalin pain: differential role of the cingulum bundle, fornix pathway and medial bulboreticular formation

1992 • 109 citations

Spinal pain suppression mechanisms may differ for phasic and tonic pain

1985 • 104 citations

N-methyl-d-aspartic acid (NMDA) receptor antagonist MK-801 blocks non-opioid stress-induced analgesia. II. Comparison across three swim-stress paradigms in selectively bred mice

1992 • 89 citations

The effects of swimming in mice on pain perception and sleeping time in response to hypnotic drugs

1980 • 56 citations

NMDA receptor antagonist MK-801 blocks non-opioid stress-induced analgesia in the formalin test

1992 • 54 citations

Stimulation-produced and stress-induced analgesia: cross-tolerance between opioid forms

1985 • 39 citations