Petrova, M <br/><br/>
[Age characteristics and circadian biorhythm of the leukocytes in schoolchildren].  [electronic resource] 

 -  Problemi na khigienata  1979 
 - 122-7 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0323-9179 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Age Factors<br/>Child<br/>Circadian Rhythm<br/>Female<br/>Humans<br/>Leukocyte Count<br/>Leukocytes--cytology<br/>Male<br/>Reference Values<br/>Sex Factors