>> Prick the finger with a needle and put 5 blood spots of the size of soybeans on the gauze.
>> Use three single-headed cotton swabs to scrape the cheek muscle wall of the oral cavity for 30 times (our center provides free sampling kits and free mailing service).
>> The hair just pulled out should be at least 10 strands, and must come with hair follicles (white roots).
>> For the extraction and preservation of other tissues, please call for consultation.
The mailed samples should be stored separately in white paper or envelopes. Note the name of the sample provider and their relationships on the envelope.