<Ul> <Li> B--Back </Li> <Li> C--Conjunctivitis </Li> <Li> TC--Trachoma </Li> <Li> E--Eyes </Li> <Li> F--Face </Li> <Li> FT--Feet </Li> <Li> G--Goiter </Li> <Li> H--Heart </Li> <Li> K--Hernia </Li> <Li> L--Lameness </Li> <Li> N--Neck </Li> <Li> P--Physical and Lungs </Li> <Li> PG--Pregnancy </Li> <Li> S--Senility </Li> <Li> SC--Scalp (Favus) </Li> <Li> X--Suspected Mental defect </Li> <Li> x--Definite signs of Mental defect </Li> </Ul> <Li> B--Back </Li> <Li> C--Conjunctivitis </Li> <Li> TC--Trachoma </Li>

What were the two main points of entry into the united states