| D008297 |
Male |
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Males |
|
| D009570 |
Nitriles |
Organic compounds containing the -CN radical. The concept is distinguished from CYANIDES, which denotes inorganic salts of HYDROGEN CYANIDE. |
Nitrile |
|
| D010865 |
Pilot Projects |
Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work. |
Pilot Studies,Pilot Study,Pilot Project,Project, Pilot,Projects, Pilot,Studies, Pilot,Study, Pilot |
|
| D011446 |
Prospective Studies |
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. |
Prospective Study,Studies, Prospective,Study, Prospective |
|
| D011720 |
Pyrazoles |
Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions. |
|
|
| D011743 |
Pyrimidines |
A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates. |
|
|
| D012008 |
Recurrence |
The return of a sign, symptom, or disease after a remission. |
Recrudescence,Relapse,Recrudescences,Recurrences,Relapses |
|
| D002986 |
Clinical Trials as Topic |
Works about pre-planned studies of the safety, efficacy, or optimum dosage schedule (if appropriate) of one or more diagnostic, therapeutic, or prophylactic drugs, devices, or techniques selected according to predetermined criteria of eligibility and observed for predefined evidence of favorable and unfavorable effects. This concept includes clinical trials conducted both in the U.S. and in other countries. |
Clinical Trial as Topic |
|
| D005260 |
Female |
|
Females |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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