Results 261 to 270 of about 490,902 (326)

Second-order schedules of intravenous drug self-administration in rhesus monkeys

open access: closedPharmacology Biochemistry and Behavior, 1977
Lever-pressing behavior was generated and maintained in 3 rhesus monkeys by intravenous infusions of morphine or cocaine under a second-order schedule of reinforcement. Under this schedule, every tenth lever-press response (FR 10) during a fixed interval of time produced a 2 sec stimulus light.
J R, Sanchez-Ramos, C R, Schuster
openaire   +3 more sources

Pre-exposure of rats to amphetamine sensitizes self-administration of this drug under a progressive ratio schedule

open access: closedPsychopharmacology, 1998
Two groups of male rats were tested to determine whether pre-exposure to d-amphetamine would enhance the motivation to self-administer the drug under a progressive ratio schedule of reinforcement. In the first phase of the experiment, one group of rats received d-amphetamine (2 mg/kg IP), while a second group received saline on alternate days for a ...
A, Mendrek, C D, Blaha, A G, Phillips
openaire   +3 more sources

[Drug administration schedules in geriatric patients].

open access: closedMedicina clinica, 1992
In this study the prescription of drugs in an outpatients geriatric population was evaluated in terms of age and body weight.From a wide survey carried out on 500 geriatric outpatients, all the prescriptions corresponding to H-2 antagonists, digoxin, theophylline, bromazepam, diazepam, lorazepam and triazolam were analyzed. The patients studied were of
M L, Lucena González   +5 more
openaire   +2 more sources

Prescriptions for Schedule II controlled substances: Drug Enforcement Administration, Justice. Notice of proposed rulemaking.

open access: closedFederal register, 1980
The proposed amendment of 1306.13 of Title 21 of the Code of Federal Regulations would permit the partial filling of prescriptions for Schedule II controlled substances, beyond the current 72-hour time limit, if the prescriptions are written for patients in Long Term Care Facilities.
openaire   +2 more sources

Current drug scheduling reviews of synthetic cathinones by the U.S. drug enforcement administration

open access: closedDrug and Alcohol Dependence, 2015
Cassandra Prioleau   +10 more
openaire   +2 more sources

[Therapeutic results in malignant lymphomas treated by the COPP and POPP drug administration schedules].

open access: closedVoprosy onkologii, 1981
The paper deals with a comparison of the results of treatment of 19 patients with malignant lymphomas, mostly diffuse ones, stage 3, by POPP schedule (paphencyl, vincristine (oncovine), procarbosin (natulan) and prednisolone) and 37 similar patients who received a modified standard COPP treatment.
L I, Iavorkovskiĭ   +4 more
openaire   +2 more sources

[Comparative evaluation of 2 schedules of administration of anti- neoplastic drugs by the CMF protocol in disseminated breast cancer].

open access: closedSovetskaia meditsina, 1991
Combined chemotherapy with cyclophosphamide, methotrexate, fluorouracil (CMF) in two regimens of administration was comparatively assessed in a randomized and prospective trial. Group I patients (n = 34) received methotrexate and fluorouracil once a week and cyclophosphamide every other day for 15 days.
D B, Korman   +5 more
openaire   +2 more sources

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