UMLS. CSP-HL7-ICD9CM-NCI-NDFRT-RXNORM
%
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
P P- P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY
PH PHA PHB PHC PHD PHE PHH PHI PHL PHM PHO PHR PHT PHY

photoperiod

[The time period of daily exposure that an organism receives from daylight or artificial light. It is believed that photoperiodic responses may affect the control of energy balance and thermoregulation. ( MSH )]
UMLS (CSP) C0162811
 
Temporal Concept


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