nonsteroidal anti-inflammatory drugs. KNEE AND SPINE LASER CENTER A soft cervical collar was fitted with a miniaturized, pulsed, short-wave diathermy generator. Each unit was powered by two 9-v batteries and had a frequency of 27 mhz. Treatments were for 3-6 weeks, 8 hr daily, analgesics could be used as needed and nonsteroidal anti-inflammatory drugs. 75% of the patients improved in range of motion and pain within 3 wk of treatment. Pemfs applied to the inner thighs for at least 2 wk is an effective short-term therapy for migraine. Greater reduction of headache activity is possible with longer exposure. Pemf using a 27. 12-.