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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
![A dose-response curve describes the relationship between the quantity of the chemical entering the ...](https://biology-forums.com/gallery/33/medium_380798_24_08_17_3_39_50_33669297.jpeg)
![The molecular structures of isooctane (left) and octane (right) dictate the differing chemical and ...](https://biology-forums.com/gallery/33/medium_380798_24_08_17_3_51_17_33677801.jpeg)