Does your child have a milk allergy? A recent study found some dustless chalk, containing the milk protein casein, may trigger allergy and asthma symptoms.
http://cbsn.ws/ZL6Vhw - via ACAAI
Does your child have a milk allergy? A recent study found some dustless chalk, containing the milk protein casein, may trigger allergy and asthma symptoms.
http://cbsn.ws/ZL6Vhw - via ACAAI
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