Acute ingestion of inorganic mercury salts (typically secondary to ingestion of a button battery) can manifest in a few hours as

Acute ingestion of inorganic mercury salts (typically secondary to ingestion of a button battery) can manifest in a few hours as

The exposure to which of the following early in childhood protects against the development of atopy

Second-generation antihistamines are preferable to first-generation antihistamines because they have

All the following are considered as risk factors for asthma morbidity and mortality EXCEPT

The percentage of childhood asthma cases that persist into adulthood is approximately